101110010010021 has 24 divisors (see below), whose sum is σ = 147808829147616. Its totient is φ = 66593902733280.

The previous prime is 101110010010017. The next prime is 101110010010029. The reversal of 101110010010021 is 120010010011101.

It is not a de Polignac number, because 101110010010021 - 2² = 101110010010017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101110010009985 and 101110010010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110010010029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84279246 + ... + 85470528.

It is an arithmetic number, because the mean of its divisors is an integer number (6158701214484).

Almost surely, 2^{101110010010021} is an apocalyptic number.

It is an amenable number.

101110010010021 is a deficient number, since it is larger than the sum of its proper divisors (46698819137595).

101110010010021 is a wasteful number, since it uses less digits than its factorization.

101110010010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304993 (or 1304990 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101110010010021 its reverse (120010010011101), we get a palindrome (221120020021122).

The spelling of 101110010010021 in words is "one hundred one trillion, one hundred ten billion, ten million, ten thousand, twenty-one".