222120131031 has 24 divisors (see below), whose sum is σ = 324743852160. Its totient is φ = 146278816656.

The previous prime is 222120131029. The next prime is 222120131039. The reversal of 222120131031 is 130131021222.

It is not a de Polignac number, because 222120131031 - 2¹ = 222120131029 is a prime.

It is a super-2 number, since 2×222120131031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120130995 and 222120131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120131039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11014900 + ... + 11035046.

It is an arithmetic number, because the mean of its divisors is an integer number (13530993840).

Almost surely, 2^222120131031 is an apocalyptic number.

222120131031 is a deficient number, since it is larger than the sum of its proper divisors (102623721129).

222120131031 is a wasteful number, since it uses less digits than its factorization.

222120131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34995 (or 34992 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 222120131031 its reverse (130131021222), we get a palindrome (352251152253).

The spelling of 222120131031 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, thirty-one".