112211201999951 has 2 divisors, whose sum is σ = 112211201999952. Its totient is φ = 112211201999950.

The previous prime is 112211201999909. The next prime is 112211201999969. The reversal of 112211201999951 is 159999102112211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112211201999951 - 2³⁰ = 112210128258127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112211201999893 and 112211201999902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112211201999971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105600999975 + 56105600999976.

It is an arithmetic number, because the mean of its divisors is an integer number (56105600999976).

Almost surely, 2^{112211201999951} is an apocalyptic number.

112211201999951 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211201999951 is an equidigital number, since it uses as much as digits as its factorization.

112211201999951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 53.

The spelling of 112211201999951 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred fifty-one".