2021113202202 has 40 divisors (see below), whose sum is σ = 4529036964276. Its totient is φ = 673667765568.

The previous prime is 2021113202191. The next prime is 2021113202209. The reversal of 2021113202202 is 2022023111202.

It can be written as a sum of positive squares in 2 ways, for example, as 1483209772641 + 537903429561 = 1217871^2 + 733419^2 .

It is a super-2 number, since 2×2021113202202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021113202209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2734798 + ... + 3394310.

Almost surely, 2^{2021113202202} is an apocalyptic number.

2021113202202 is an abundant number, since it is smaller than the sum of its proper divisors (2507923762074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021113202202 is a wasteful number, since it uses less digits than its factorization.

2021113202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678444 (or 678435 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021113202202 its reverse (2022023111202), we get a palindrome (4043136313404).

The spelling of 2021113202202 in words is "two trillion, twenty-one billion, one hundred thirteen million, two hundred two thousand, two hundred two".