111110020122131 has 2 divisors, whose sum is σ = 111110020122132. Its totient is φ = 111110020122130.

The previous prime is 111110020122089. The next prime is 111110020122223. The reversal of 111110020122131 is 131221020011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111110020122131 - 2⁶ = 111110020122067 is a prime.

It is a super-2 number, since 2×111110020122131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111110020322131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555010061065 + 55555010061066.

It is an arithmetic number, because the mean of its divisors is an integer number (55555010061066).

Almost surely, 2^{111110020122131} is an apocalyptic number.

111110020122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110020122131 is an equidigital number, since it uses as much as digits as its factorization.

111110020122131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111110020122131 its reverse (131221020011111), we get a palindrome (242331040133242).

The spelling of 111110020122131 in words is "one hundred eleven trillion, one hundred ten billion, twenty million, one hundred twenty-two thousand, one hundred thirty-one".