202002121111211 has 16 divisors (see below), whose sum is σ = 208209950496000. Its totient is φ = 195887844448800.

The previous prime is 202002121111207. The next prime is 202002121111229. The reversal of 202002121111211 is 112111121200202.

It is a cyclic number.

It is not a de Polignac number, because 202002121111211 - 2² = 202002121111207 is a prime.

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 202002121111211.

It is not an unprimeable number, because it can be changed into a prime (202002321111211) 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, 206095460 + ... + 207073278.

It is an arithmetic number, because the mean of its divisors is an integer number (13013121906000).

Almost surely, 2^{202002121111211} is an apocalyptic number.

202002121111211 is a deficient number, since it is larger than the sum of its proper divisors (6207829384789).

202002121111211 is an equidigital number, since it uses as much as digits as its factorization.

202002121111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025650.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202002121111211 its reverse (112111121200202), we get a palindrome (314113242311413).

The spelling of 202002121111211 in words is "two hundred two trillion, two billion, one hundred twenty-one million, one hundred eleven thousand, two hundred eleven".