102031110021011 has 2 divisors, whose sum is σ = 102031110021012. Its totient is φ = 102031110021010.

The previous prime is 102031110020989. The next prime is 102031110021013. The reversal of 102031110021011 is 110120011130201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102031110021011 - 2¹⁸ = 102031109758867 is a prime.

It is a super-2 number, since 2×102031110021011² (a number of 29 digits) contains 22 as substring.

Together with 102031110021013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102031110021013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015555010505 + 51015555010506.

It is an arithmetic number, because the mean of its divisors is an integer number (51015555010506).

Almost surely, 2^{102031110021011} is an apocalyptic number.

102031110021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031110021011 is an equidigital number, since it uses as much as digits as its factorization.

102031110021011 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 102031110021011 its reverse (110120011130201), we get a palindrome (212151121151212).

The spelling of 102031110021011 in words is "one hundred two trillion, thirty-one billion, one hundred ten million, twenty-one thousand, eleven".