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101021201202220 = 225133259391192073
BaseRepresentation
bin10110111110000011010100…
…110011111111110000101100
3111020200112101012112121200121
4112332003110303333300230
5101220112410001432340
6554504255452334324
730164353353141415
oct2676032463776054
9436615335477617
10101021201202220
112a20893a5090a2
12b3b6703a743a4
13444a348911b50
141ad3648ca480c
15ba2bd747894a
hex5be0d4cffc2c

101021201202220 has 48 divisors (see below), whose sum is σ = 228464224541280. Its totient is φ = 37299990099456.

The previous prime is 101021201202197. The next prime is 101021201202263. The reversal of 101021201202220 is 22202102120101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101021201202194 and 101021201202203.

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, 84148104 + ... + 85340176.

It is an arithmetic number, because the mean of its divisors is an integer number (4759671344610).

Almost surely, 2101021201202220 is an apocalyptic number.

101021201202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021201202220 is an abundant number, since it is smaller than the sum of its proper divisors (127443023339060).

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

101021201202220 is a wasteful number, since it uses less digits than its factorization.

101021201202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518034 (or 1518032 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101021201202220 its reverse (22202102120101), we get a palindrome (123223303322321).

The spelling of 101021201202220 in words is "one hundred one trillion, twenty-one billion, two hundred one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 325939 651878 1192073 1303756 1629695 2384146 3259390 4237207 4768292 5960365 6518780 8474414 11920730 15496949 16948828 21186035 23841460 30993898 42372070 61987796 77484745 84744140 154969490 309938980 388543081547 777086163094 1554172326188 1942715407735 3885430815470 5051060060111 7770861630940 10102120120222 20204240240444 25255300300555 50510600601110 101021201202220