2021102112202 has 16 divisors (see below), whose sum is σ = 3065881133952. Its totient is φ = 999169261200.

The previous prime is 2021102112181. The next prime is 2021102112203. The reversal of 2021102112202 is 2022112011202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2021102112203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734478 + ... + 7028185.

It is an arithmetic number, because the mean of its divisors is an integer number (191617570872).

Almost surely, 2^{2021102112202} is an apocalyptic number.

2021102112202 is a deficient number, since it is larger than the sum of its proper divisors (1044779021750).

2021102112202 is a wasteful number, since it uses less digits than its factorization.

2021102112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13763493.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021102112202 its reverse (2022112011202), we get a palindrome (4043214123404).

The spelling of 2021102112202 in words is "two trillion, twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred two".