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211222103303020 = 22517684587907469
BaseRepresentation
bin110000000001101011111010…
…011011111010001101101100
31000200212122011112211112221211
4300001223322123322031230
5210141130331421144040
62025122032241404204
762330202424443625
oct6001537233721554
91020778145745854
10211222103303020
1161335877847137
121b834313039664
1390b220b083114
143a232c0a2ca4c
1519645894048ea
hexc01afa6fa36c

211222103303020 has 48 divisors (see below), whose sum is σ = 469659762704160. Its totient is φ = 79518705695744.

The previous prime is 211222103303009. The next prime is 211222103303063. The reversal of 211222103303020 is 20303301222112.

It is a super-2 number, since 2×2112221033030202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222103302982 and 211222103303000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232305846 + ... + 233213314.

It is an arithmetic number, because the mean of its divisors is an integer number (9784578389670).

Almost surely, 2211222103303020 is an apocalyptic number.

211222103303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222103303020 is an abundant number, since it is smaller than the sum of its proper divisors (258437659401140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222103303020 is a wasteful number, since it uses less digits than its factorization.

211222103303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592082 (or 1592080 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211222103303020 its reverse (20303301222112), we get a palindrome (231525404525132).

The spelling of 211222103303020 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred three million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 684587 907469 1369174 1814938 2738348 3422935 3629876 4537345 6845870 9074690 11637979 13691740 15426973 18149380 23275958 30853946 46551916 58189895 61707892 77134865 116379790 154269730 232759580 308539460 621241480303 1242482960606 2484965921212 3106207401515 6212414803030 10561105165151 12424829606060 21122210330302 42244420660604 52805525825755 105611051651510 211222103303020