102112031011 has 2 divisors, whose sum is σ = 102112031012. Its totient is φ = 102112031010.

The previous prime is 102112030997. The next prime is 102112031041. The reversal of 102112031011 is 110130211201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112031011 - 2²⁵ = 102078476579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102112030982 and 102112031000.

It is not a weakly prime, because it can be changed into another prime (102112031041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056015505 + 51056015506.

It is an arithmetic number, because the mean of its divisors is an integer number (51056015506).

Almost surely, 2^102112031011 is an apocalyptic number.

102112031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112031011 is an equidigital number, since it uses as much as digits as its factorization.

102112031011 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 13.

Adding to 102112031011 its reverse (110130211201), we get a palindrome (212242242212).

The spelling of 102112031011 in words is "one hundred two billion, one hundred twelve million, thirty-one thousand, eleven".