100011100051 has 2 divisors, whose sum is σ = 100011100052. Its totient is φ = 100011100050.

The previous prime is 100011099971. The next prime is 100011100073. The reversal of 100011100051 is 150001110001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011100051 is a prime.

It is a super-2 number, since 2×100011100051² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100011100081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550025 + 50005550026.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550026).

Almost surely, 2^100011100051 is an apocalyptic number.

100011100051 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011100051 is an equidigital number, since it uses as much as digits as its factorization.

100011100051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 100011100051 its reverse (150001110001), we get a palindrome (250012210052).

The spelling of 100011100051 in words is "one hundred billion, eleven million, one hundred thousand, fifty-one".