101010120211951 has 2 divisors, whose sum is σ = 101010120211952. Its totient is φ = 101010120211950.

The previous prime is 101010120211921. The next prime is 101010120212047. The reversal of 101010120211951 is 159112021010101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101010120211951 - 2⁷ = 101010120211823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010120211921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505060105975 + 50505060105976.

It is an arithmetic number, because the mean of its divisors is an integer number (50505060105976).

Almost surely, 2^{101010120211951} is an apocalyptic number.

101010120211951 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010120211951 is an equidigital number, since it uses as much as digits as its factorization.

101010120211951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 25.

The spelling of 101010120211951 in words is "one hundred one trillion, ten billion, one hundred twenty million, two hundred eleven thousand, nine hundred fifty-one".