2021002111202 has 4 divisors (see below), whose sum is σ = 3031503166806. Its totient is φ = 1010501055600.

The previous prime is 2021002111151. The next prime is 2021002111273. The reversal of 2021002111202 is 2021112001202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2015948465281 + 5053645921 = 1419841^2 + 71089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505250527799 + ... + 505250527802.

Almost surely, 2^{2021002111202} is an apocalyptic number.

2021002111202 is a deficient number, since it is larger than the sum of its proper divisors (1010501055604).

2021002111202 is a wasteful number, since it uses less digits than its factorization.

2021002111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010501055603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021002111202 its reverse (2021112001202), we get a palindrome (4042114112404).

The spelling of 2021002111202 in words is "two trillion, twenty-one billion, two million, one hundred eleven thousand, two hundred two".