2021211121002 has 32 divisors (see below), whose sum is σ = 4176075847680. Its totient is φ = 651495323760.

The previous prime is 2021211120967. The next prime is 2021211121043. The reversal of 2021211121002 is 2001211121202.

It is a super-2 number, since 2×2021211121002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3996252 + ... + 4473527.

It is an arithmetic number, because the mean of its divisors is an integer number (130502370240).

Almost surely, 2^{2021211121002} is an apocalyptic number.

2021211121002 is an abundant number, since it is smaller than the sum of its proper divisors (2154864726678).

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

2021211121002 is a wasteful number, since it uses less digits than its factorization.

2021211121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471098.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021211121002 its reverse (2001211121202), we get a palindrome (4022422242204).

The spelling of 2021211121002 in words is "two trillion, twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, two".