101002221911 has 2 divisors, whose sum is σ = 101002221912. Its totient is φ = 101002221910.

The previous prime is 101002221871. The next prime is 101002221959. The reversal of 101002221911 is 119122200101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101002221911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101002220911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501110955 + 50501110956.

It is an arithmetic number, because the mean of its divisors is an integer number (50501110956).

Almost surely, 2^101002221911 is an apocalyptic number.

101002221911 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002221911 is an equidigital number, since it uses as much as digits as its factorization.

101002221911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 101002221911 in words is "one hundred one billion, two million, two hundred twenty-one thousand, nine hundred eleven".