101012021911 has 2 divisors, whose sum is σ = 101012021912. Its totient is φ = 101012021910.

The previous prime is 101012021899. The next prime is 101012021921. The reversal of 101012021911 is 119120210101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101012021911 - 2²¹ = 101009924759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012021921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506010955 + 50506010956.

It is an arithmetic number, because the mean of its divisors is an integer number (50506010956).

Almost surely, 2^101012021911 is an apocalyptic number.

101012021911 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012021911 is an equidigital number, since it uses as much as digits as its factorization.

101012021911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 101012021911 in words is "one hundred one billion, twelve million, twenty-one thousand, nine hundred eleven".