202002120221111 has 16 divisors (see below), whose sum is σ = 235772788614144. Its totient is φ = 169459798646304.

The previous prime is 202002120221089. The next prime is 202002120221119. The reversal of 202002120221111 is 111122021200202.

It is a cyclic number.

It is not a de Polignac number, because 202002120221111 - 2²² = 202002116026807 is a prime.

It is a super-4 number, since 4×202002120221111⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202002120221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002120221119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60723116 + ... + 63963278.

It is an arithmetic number, because the mean of its divisors is an integer number (14735799288384).

Almost surely, 2^{202002120221111} is an apocalyptic number.

202002120221111 is a deficient number, since it is larger than the sum of its proper divisors (33770668393033).

202002120221111 is a wasteful number, since it uses less digits than its factorization.

202002120221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429710.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202002120221111 its reverse (111122021200202), we get a palindrome (313124141421313).

The spelling of 202002120221111 in words is "two hundred two trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".