131102222022 has 24 divisors (see below), whose sum is σ = 284191002576. Its totient is φ = 43679788656.

The previous prime is 131102221997. The next prime is 131102222029. The reversal of 131102222022 is 220222201131.

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 = 131102221986 and 131102222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102222029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1707393 + ... + 1782524.

It is an arithmetic number, because the mean of its divisors is an integer number (11841291774).

Almost surely, 2^131102222022 is an apocalyptic number.

131102222022 is an abundant number, since it is smaller than the sum of its proper divisors (153088780554).

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

131102222022 is a wasteful number, since it uses less digits than its factorization.

131102222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492012 (or 3492009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 131102222022 its reverse (220222201131), we get a palindrome (351324423153).

The spelling of 131102222022 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-two thousand, twenty-two".