202112121201 has 16 divisors (see below), whose sum is σ = 270047431680. Its totient is φ = 134459332560.

The previous prime is 202112121193. The next prime is 202112121217. The reversal of 202112121201 is 102121211202.

It is not a de Polignac number, because 202112121201 - 2³ = 202112121193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202112121221) 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, 3833646 + ... + 3886008.

It is an arithmetic number, because the mean of its divisors is an integer number (16877964480).

Almost surely, 2^202112121201 is an apocalyptic number.

It is an amenable number.

202112121201 is a deficient number, since it is larger than the sum of its proper divisors (67935310479).

202112121201 is a wasteful number, since it uses less digits than its factorization.

202112121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55036.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202112121201 its reverse (102121211202), we get a palindrome (304233332403).

Subtracting from 202112121201 its reverse (102121211202), we obtain a palindrome (99990909999).

It can be divided in two parts, 20211 and 2121201, that added together give a palindrome (2141412).

The spelling of 202112121201 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred one".