202001031121 has 16 divisors (see below), whose sum is σ = 215892547200. Its totient is φ = 188588176128.

The previous prime is 202001031107. The next prime is 202001031151. The reversal of 202001031121 is 121130100202.

202001031121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202001031121 - 2²³ = 201992642513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202001031101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433336 + ... + 769273.

It is an arithmetic number, because the mean of its divisors is an integer number (13493284200).

Almost surely, 2^202001031121 is an apocalyptic number.

It is an amenable number.

202001031121 is a deficient number, since it is larger than the sum of its proper divisors (13891516079).

202001031121 is a wasteful number, since it uses less digits than its factorization.

202001031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202808.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202001031121 its reverse (121130100202), we get a palindrome (323131131323).

The spelling of 202001031121 in words is "two hundred two billion, one million, thirty-one thousand, one hundred twenty-one".