202102301121 has 32 divisors (see below), whose sum is σ = 311046291456. Its totient is φ = 114337440000.

The previous prime is 202102301117. The next prime is 202102301153. The reversal of 202102301121 is 121103201202.

It is not a de Polignac number, because 202102301121 - 2² = 202102301117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202102301121.

It is not an unprimeable number, because it can be changed into a prime (202102301111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726921 + ... + 965721.

It is an arithmetic number, because the mean of its divisors is an integer number (9720196608).

Almost surely, 2^202102301121 is an apocalyptic number.

202102301121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202102301121 is a deficient number, since it is larger than the sum of its proper divisors (108943990335).

202102301121 is a wasteful number, since it uses less digits than its factorization.

202102301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239213.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202102301121 its reverse (121103201202), we get a palindrome (323205502323).

The spelling of 202102301121 in words is "two hundred two billion, one hundred two million, three hundred one thousand, one hundred twenty-one".