131211010022022 has 192 divisors, whose sum is σ = 346572333918720. Its totient is φ = 35042428541952.

The previous prime is 131211010022011. The next prime is 131211010022063. The reversal of 131211010022022 is 220220010112131.

131211010022022 is a `hidden beast` number, since 1 + 312 + 1 + 10 + 100 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131211010021986 and 131211010022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153169518 + ... + 154023774.

It is an arithmetic number, because the mean of its divisors is an integer number (1805064239160).

Almost surely, 2^{131211010022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131211010022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173286166959360).

131211010022022 is an abundant number, since it is smaller than the sum of its proper divisors (215361323896698).

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

131211010022022 is a wasteful number, since it uses less digits than its factorization.

131211010022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855147 (or 855144 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131211010022022 its reverse (220220010112131), we get a palindrome (351431020134153).

The spelling of 131211010022022 in words is "one hundred thirty-one trillion, two hundred eleven billion, ten million, twenty-two thousand, twenty-two".