2021122211202 has 48 divisors (see below), whose sum is σ = 4423712304960. Its totient is φ = 666847476000.

The previous prime is 2021122211201. The next prime is 2021122211239.

It is a happy number.

2021122211202 is a `hidden beast` number, since 20 + 211 + 22 + 211 + 202 = 666.

2021122211202 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2021122211202² (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 (2021122211201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6314077 + ... + 6626447.

It is an arithmetic number, because the mean of its divisors is an integer number (92160673020).

Almost surely, 2^{2021122211202} is an apocalyptic number.

2021122211202 is an abundant number, since it is smaller than the sum of its proper divisors (2402590093758).

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

2021122211202 is a wasteful number, since it uses less digits than its factorization.

2021122211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316039 (or 316036 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 2021122211202 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred two".