2021022212002 has 16 divisors (see below), whose sum is σ = 3113511481080. Its totient is φ = 983185838208.

The previous prime is 2021022211961. The next prime is 2021022212029. The reversal of 2021022212002 is 2002122201202.

It can be written as a sum of positive squares in 4 ways, for example, as 1975123862881 + 45898349121 = 1405391^2 + 214239^2 .

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, 6515008 + ... + 6818164.

Almost surely, 2^{2021022212002} is an apocalyptic number.

2021022212002 is a deficient number, since it is larger than the sum of its proper divisors (1092489269078).

2021022212002 is a wasteful number, since it uses less digits than its factorization.

2021022212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393285.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2021022212002 its reverse (2002122201202), we get a palindrome (4023144413204).

The spelling of 2021022212002 in words is "two trillion, twenty-one billion, twenty-two million, two hundred twelve thousand, two".