202002211011121 has 4 divisors (see below), whose sum is σ = 204559201024000. Its totient is φ = 199445220998244.

The previous prime is 202002211011109. The next prime is 202002211011131. The reversal of 202002211011121 is 121110112200202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202002211011121 - 2⁹ = 202002211010609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202002211011095 and 202002211011104.

It is not an unprimeable number, because it can be changed into a prime (202002211011131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278495006321 + ... + 1278495006478.

It is an arithmetic number, because the mean of its divisors is an integer number (51139800256000).

Almost surely, 2^{202002211011121} is an apocalyptic number.

It is an amenable number.

202002211011121 is a deficient number, since it is larger than the sum of its proper divisors (2556990012879).

202002211011121 is an equidigital number, since it uses as much as digits as its factorization.

202002211011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556990012878.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202002211011121 its reverse (121110112200202), we get a palindrome (323112323211323).

The spelling of 202002211011121 in words is "two hundred two trillion, two billion, two hundred eleven million, eleven thousand, one hundred twenty-one".