10012111109951 has 2 divisors, whose sum is σ = 10012111109952. Its totient is φ = 10012111109950.

The previous prime is 10012111109941. The next prime is 10012111110013. The reversal of 10012111109951 is 15990111121001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10012111109951 - 2²² = 10012106915647 is a prime.

It is a super-2 number, since 2×10012111109951² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012111109921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006055554975 + 5006055554976.

It is an arithmetic number, because the mean of its divisors is an integer number (5006055554976).

Almost surely, 2^{10012111109951} is an apocalyptic number.

10012111109951 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012111109951 is an equidigital number, since it uses as much as digits as its factorization.

10012111109951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 32.

The spelling of 10012111109951 in words is "ten trillion, twelve billion, one hundred eleven million, one hundred nine thousand, nine hundred fifty-one".