2021100120202 has 8 divisors (see below), whose sum is σ = 3047522694912. Its totient is φ = 1005259221900.

The previous prime is 2021100120173. The next prime is 2021100120229. The reversal of 2021100120202 is 2020210011202.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645418624 + ... + 2645419387.

It is an arithmetic number, because the mean of its divisors is an integer number (380940336864).

Almost surely, 2^{2021100120202} is an apocalyptic number.

2021100120202 is a deficient number, since it is larger than the sum of its proper divisors (1026422574710).

2021100120202 is a wasteful number, since it uses less digits than its factorization.

2021100120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290838204.

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

Adding to 2021100120202 its reverse (2020210011202), we get a palindrome (4041310131404).

The spelling of 2021100120202 in words is "two trillion, twenty-one billion, one hundred million, one hundred twenty thousand, two hundred two".