2021112102202 has 16 divisors (see below), whose sum is σ = 3081469681800. Its totient is φ = 993956639040.

The previous prime is 2021112102193. The next prime is 2021112102241. The reversal of 2021112102202 is 2022012111202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1946920693041 + 74191409161 = 1395321^2 + 272381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3654124 + ... + 4170712.

Almost surely, 2^{2021112102202} is an apocalyptic number.

2021112102202 is a deficient number, since it is larger than the sum of its proper divisors (1060357579598).

2021112102202 is a wasteful number, since it uses less digits than its factorization.

2021112102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548721.

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

Adding to 2021112102202 its reverse (2022012111202), we get a palindrome (4043124213404).

The spelling of 2021112102202 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred two thousand, two hundred two".