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211222102220122 = 2715087293015723
BaseRepresentation
bin110000000001101011111010…
…010111110001110101011010
31000200212122011110210112111111
4300001223322113301311122
5210141130331132020442
62025122032202250534
762330202412313530
oct6001537227616532
91020778143715444
10211222102220122
1161335877177584
121b8343127b6a4a
1390b220aa94256
143a232c082a150
15196458928db17
hexc01afa5f1d5a

211222102220122 has 8 divisors (see below), whose sum is σ = 362095032377376. Its totient is φ = 90523758094332.

The previous prime is 211222102220111. The next prime is 211222102220167. The reversal of 211222102220122 is 221022201222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112221022201222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222102220093 and 211222102220102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7543646507848 + ... + 7543646507875.

It is an arithmetic number, because the mean of its divisors is an integer number (45261879047172).

Almost surely, 2211222102220122 is an apocalyptic number.

211222102220122 is a deficient number, since it is larger than the sum of its proper divisors (150872930157254).

211222102220122 is a wasteful number, since it uses less digits than its factorization.

211222102220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15087293015732.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211222102220122 its reverse (221022201222112), we get a palindrome (432244303442234).

It can be divided in two parts, 2112 and 22102220122, that multiplied together give a palindrome (46679888897664).

The spelling of 211222102220122 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 15087293015723 30174586031446 105611051110061 211222102220122