131210222122 has 16 divisors (see below), whose sum is σ = 232688079360. Its totient is φ = 54293884848.

The previous prime is 131210222113. The next prime is 131210222131. The reversal of 131210222122 is 221222012131.

It is an interprime number because it is at equal distance from previous prime (131210222113) and next prime (131210222131).

It is a super-2 number, since 2×131210222122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131210222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161588538 + ... + 161589349.

It is an arithmetic number, because the mean of its divisors is an integer number (14543004960).

Almost surely, 2^131210222122 is an apocalyptic number.

131210222122 is a deficient number, since it is larger than the sum of its proper divisors (101477857238).

131210222122 is a wasteful number, since it uses less digits than its factorization.

131210222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323177925.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131210222122 its reverse (221222012131), we get a palindrome (352432234253).

The spelling of 131210222122 in words is "one hundred thirty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".