101010310021 has 16 divisors (see below), whose sum is σ = 104384939904. Its totient is φ = 97707043584.

The previous prime is 101010310013. The next prime is 101010310057. The reversal of 101010310021 is 120013010101.

It is a cyclic number.

It is not a de Polignac number, because 101010310021 - 2³ = 101010310013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010310061) 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 in 15 ways as a sum of consecutive naturals, for example, 769240 + ... + 890926.

It is an arithmetic number, because the mean of its divisors is an integer number (6524058744).

Almost surely, 2^101010310021 is an apocalyptic number.

It is an amenable number.

101010310021 is a deficient number, since it is larger than the sum of its proper divisors (3374629883).

101010310021 is a wasteful number, since it uses less digits than its factorization.

101010310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121980.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 101010310021 its reverse (120013010101), we get a palindrome (221023320122).

The spelling of 101010310021 in words is "one hundred one billion, ten million, three hundred ten thousand, twenty-one".