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131122021201122 = 2373244399622619
BaseRepresentation
bin11101110100000100111001…
…011111101111010011100010
3122012021010212002211222110010
4131310010321133233103202
5114141300344411413442
61142512342554145350
736422152630435530
oct3564047137572342
9565233762758403
10131122021201122
113886359a695596
12128583ab722256
1358219a46c6483
1424544a8165150
151025bb8464b9c
hex7741397ef4e2

131122021201122 has 32 divisors (see below), whose sum is σ = 299708431948800. Its totient is φ = 37463315264208.

The previous prime is 131122021201103. The next prime is 131122021201141. The reversal of 131122021201122 is 221102120221131.

It is an interprime number because it is at equal distance from previous prime (131122021201103) and next prime (131122021201141).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 8815129 + ... + 18437747.

It is an arithmetic number, because the mean of its divisors is an integer number (9365888498400).

Almost surely, 2131122021201122 is an apocalyptic number.

131122021201122 is an abundant number, since it is smaller than the sum of its proper divisors (168586410747678).

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

131122021201122 is a wasteful number, since it uses less digits than its factorization.

131122021201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947070.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 131122021201122 its reverse (221102120221131), we get a palindrome (352224141422253).

The spelling of 131122021201122 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, twenty-one million, two hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 324439 648878 973317 1946634 2271073 4542146 6813219 9622619 13626438 19245238 28867857 57735714 67358333 134716666 202074999 404149998 3121952885741 6243905771482 9365858657223 18731717314446 21853670200187 43707340400374 65561010600561 131122021201122