202113323321121 has 10 divisors (see below), whose sum is σ = 301922371874882. Its totient is φ = 134742215547360.

The previous prime is 202113323321093. The next prime is 202113323321137. The reversal of 202113323321121 is 121123323311202.

202113323321121 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 1 + 3 + 323 + 321 + 12 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121100362802721 + 81012960518400 = 11004561^2 + 9000720^2 .

It is not a de Polignac number, because 202113323321121 - 2²⁹ = 202112786450209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202113323321621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1247613106840 + ... + 1247613107001.

Almost surely, 2^{202113323321121} is an apocalyptic number.

It is an amenable number.

202113323321121 is a deficient number, since it is larger than the sum of its proper divisors (99809048553761).

202113323321121 is an equidigital number, since it uses as much as digits as its factorization.

202113323321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495226213853 (or 2495226213844 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 202113323321121 its reverse (121123323311202), we get a palindrome (323236646632323).

The spelling of 202113323321121 in words is "two hundred two trillion, one hundred thirteen billion, three hundred twenty-three million, three hundred twenty-one thousand, one hundred twenty-one".