100222022201021 has 32 divisors (see below), whose sum is σ = 114851002809600. Its totient is φ = 85671315924480.

The previous prime is 100222022200997. The next prime is 100222022201027. The reversal of 100222022201021 is 120102220222001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100222022201021 - 2³⁸ = 99947144294077 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 (100222022201027) 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, 20499490745 + ... + 20499495633.

It is an arithmetic number, because the mean of its divisors is an integer number (3589093837800).

Almost surely, 2^{100222022201021} is an apocalyptic number.

It is an amenable number.

100222022201021 is a deficient number, since it is larger than the sum of its proper divisors (14628980608579).

100222022201021 is a wasteful number, since it uses less digits than its factorization.

100222022201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100222022201021 its reverse (120102220222001), we get a palindrome (220324242423022).

The spelling of 100222022201021 in words is "one hundred trillion, two hundred twenty-two billion, twenty-two million, two hundred one thousand, twenty-one".