101111000999951 has 2 divisors, whose sum is σ = 101111000999952. Its totient is φ = 101111000999950.

The previous prime is 101111000999927. The next prime is 101111001000007. The reversal of 101111000999951 is 159999000111101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101111000999951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101111000999896 and 101111000999905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111000299951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555500499975 + 50555500499976.

It is an arithmetic number, because the mean of its divisors is an integer number (50555500499976).

Almost surely, 2^{101111000999951} is an apocalyptic number.

101111000999951 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111000999951 is an equidigital number, since it uses as much as digits as its factorization.

101111000999951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32805, while the sum is 47.

The spelling of 101111000999951 in words is "one hundred one trillion, one hundred eleven billion, nine hundred ninety-nine thousand, nine hundred fifty-one".