111020101020131 has 2 divisors, whose sum is σ = 111020101020132. Its totient is φ = 111020101020130.

The previous prime is 111020101020119. The next prime is 111020101020173. The reversal of 111020101020131 is 131020101020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111020101020131 - 2⁴² = 106622054509027 is a prime.

It is a super-2 number, since 2×111020101020131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111020101040131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510050510065 + 55510050510066.

It is an arithmetic number, because the mean of its divisors is an integer number (55510050510066).

Almost surely, 2^{111020101020131} is an apocalyptic number.

111020101020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020101020131 is an equidigital number, since it uses as much as digits as its factorization.

111020101020131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111020101020131 its reverse (131020101020111), we get a palindrome (242040202040242).

The spelling of 111020101020131 in words is "one hundred eleven trillion, twenty billion, one hundred one million, twenty thousand, one hundred thirty-one".