101010010121021 has 8 divisors (see below), whose sum is σ = 106326456669600. Its totient is φ = 95693576595120.

The previous prime is 101010010121003. The next prime is 101010010121087. The reversal of 101010010121021 is 120121010010101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101010010121021 - 2³⁴ = 100992830251837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101010010120993 and 101010010121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010010121621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15409370 + ... + 20963508.

It is an arithmetic number, because the mean of its divisors is an integer number (13290807083700).

Almost surely, 2^{101010010121021} is an apocalyptic number.

It is an amenable number.

101010010121021 is a deficient number, since it is larger than the sum of its proper divisors (5316446548579).

101010010121021 is an equidigital number, since it uses as much as digits as its factorization.

101010010121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511339.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101010010121021 its reverse (120121010010101), we get a palindrome (221131020131122).

The spelling of 101010010121021 in words is "one hundred one trillion, ten billion, ten million, one hundred twenty-one thousand, twenty-one".