222001122131 has 2 divisors, whose sum is σ = 222001122132. Its totient is φ = 222001122130.

The previous prime is 222001122127. The next prime is 222001122181. The reversal of 222001122131 is 131221100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222001122131 - 2² = 222001122127 is a prime.

It is a super-2 number, since 2×222001122131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222001122181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000561065 + 111000561066.

It is an arithmetic number, because the mean of its divisors is an integer number (111000561066).

Almost surely, 2^222001122131 is an apocalyptic number.

222001122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001122131 is an equidigital number, since it uses as much as digits as its factorization.

222001122131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222001122131 its reverse (131221100222), we get a palindrome (353222222353).

The spelling of 222001122131 in words is "two hundred twenty-two billion, one million, one hundred twenty-two thousand, one hundred thirty-one".