2022100020121 has 4 divisors (see below), whose sum is σ = 2022500361744. Its totient is φ = 2021699678500.

The previous prime is 2022100020113. The next prime is 2022100020139. The reversal of 2022100020121 is 1210200012202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2022100020121 - 2³ = 2022100020113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022100023121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200163235 + ... + 200173336.

It is an arithmetic number, because the mean of its divisors is an integer number (505625090436).

Almost surely, 2^{2022100020121} is an apocalyptic number.

It is an amenable number.

2022100020121 is a deficient number, since it is larger than the sum of its proper divisors (400341623).

2022100020121 is an equidigital number, since it uses as much as digits as its factorization.

2022100020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400341622.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2022100020121 its reverse (1210200012202), we get a palindrome (3232300032323).

The spelling of 2022100020121 in words is "two trillion, twenty-two billion, one hundred million, twenty thousand, one hundred twenty-one".