101222100201021 has 16 divisors (see below), whose sum is σ = 135348744199680. Its totient is φ = 67288606605360.

The previous prime is 101222100200989. The next prime is 101222100201037. The reversal of 101222100201021 is 120102001222101.

It is not a de Polignac number, because 101222100201021 - 2⁵ = 101222100200989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222100201041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20034375 + ... + 24572756.

It is an arithmetic number, because the mean of its divisors is an integer number (8459296512480).

Almost surely, 2^{101222100201021} is an apocalyptic number.

It is an amenable number.

101222100201021 is a deficient number, since it is larger than the sum of its proper divisors (34126643998659).

101222100201021 is a wasteful number, since it uses less digits than its factorization.

101222100201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44609296.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101222100201021 its reverse (120102001222101), we get a palindrome (221324101423122).

The spelling of 101222100201021 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred million, two hundred one thousand, twenty-one".