101210100201021 has 32 divisors (see below), whose sum is σ = 156645272992768. Its totient is φ = 56928015492480.

The previous prime is 101210100200953. The next prime is 101210100201073. The reversal of 101210100201021 is 120102001012101.

It is not a de Polignac number, because 101210100201021 - 2⁷ = 101210100200893 is a prime.

It is a super-2 number, since 2×101210100201021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101210100200988 and 101210100201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210100201521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25368175 + ... + 29085468.

It is an arithmetic number, because the mean of its divisors is an integer number (4895164781024).

Almost surely, 2^{101210100201021} is an apocalyptic number.

It is an amenable number.

101210100201021 is a deficient number, since it is larger than the sum of its proper divisors (55435172791747).

101210100201021 is a wasteful number, since it uses less digits than its factorization.

101210100201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54455041.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101210100201021 its reverse (120102001012101), we get a palindrome (221312101213122).

The spelling of 101210100201021 in words is "one hundred one trillion, two hundred ten billion, one hundred million, two hundred one thousand, twenty-one".