131022120222 has 24 divisors (see below), whose sum is σ = 324435726576. Its totient is φ = 37434891456.

The previous prime is 131022120221. The next prime is 131022120233. The reversal of 131022120222 is 222021220131.

131022120222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 131022120195 and 131022120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022120221) 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, 519928923 + ... + 519929174.

It is an arithmetic number, because the mean of its divisors is an integer number (13518155274).

Almost surely, 2^131022120222 is an apocalyptic number.

131022120222 is an abundant number, since it is smaller than the sum of its proper divisors (193413606354).

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

131022120222 is a wasteful number, since it uses less digits than its factorization.

131022120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039858112 (or 1039858109 counting only the distinct ones).

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

Adding to 131022120222 its reverse (222021220131), we get a palindrome (353043340353).

Subtracting 131022120222 from its reverse (222021220131), we obtain a palindrome (90999099909).

The spelling of 131022120222 in words is "one hundred thirty-one billion, twenty-two million, one hundred twenty thousand, two hundred twenty-two".