202110011121 has 16 divisors (see below), whose sum is σ = 277636377024. Its totient is φ = 130684803264.

The previous prime is 202110011113. The next prime is 202110011219. The reversal of 202110011121 is 121110011202.

202110011121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202110011121 - 2³ = 202110011113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202110011097 and 202110011106.

It is not an unprimeable number, because it can be changed into a prime (202110010121) 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, 2836755 + ... + 2907128.

It is an arithmetic number, because the mean of its divisors is an integer number (17352273564).

Almost surely, 2^202110011121 is an apocalyptic number.

It is an amenable number.

202110011121 is a deficient number, since it is larger than the sum of its proper divisors (75526365903).

202110011121 is a wasteful number, since it uses less digits than its factorization.

202110011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744240.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 202110011121 its reverse (121110011202), we get a palindrome (323220022323).

The spelling of 202110011121 in words is "two hundred two billion, one hundred ten million, eleven thousand, one hundred twenty-one".