222042121131 has 32 divisors (see below), whose sum is σ = 321680975616. Its totient is φ = 135683712000.

The previous prime is 222042121121. The next prime is 222042121181. The reversal of 222042121131 is 131121240222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-222042121131 is a prime.

It is a super-2 number, since 2×222042121131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222042121098 and 222042121107.

It is not an unprimeable number, because it can be changed into a prime (222042121121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100976 + ... + 1286946.

It is an arithmetic number, because the mean of its divisors is an integer number (10052530488).

Almost surely, 2^222042121131 is an apocalyptic number.

222042121131 is a deficient number, since it is larger than the sum of its proper divisors (99638854485).

222042121131 is a wasteful number, since it uses less digits than its factorization.

222042121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186603.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 222042121131 its reverse (131121240222), we get a palindrome (353163361353).

The spelling of 222042121131 in words is "two hundred twenty-two billion, forty-two million, one hundred twenty-one thousand, one hundred thirty-one".