202220112221121 has 8 divisors (see below), whose sum is σ = 273320334326560. Its totient is φ = 132966649131552.

The previous prime is 202220112221107. The next prime is 202220112221177. The reversal of 202220112221121 is 121122211022202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202220112221121 - 2¹⁷ = 202220112090049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220112221191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461689753711 + ... + 461689754148.

It is an arithmetic number, because the mean of its divisors is an integer number (34165041790820).

Almost surely, 2^{202220112221121} is an apocalyptic number.

It is an amenable number.

202220112221121 is a deficient number, since it is larger than the sum of its proper divisors (71100222105439).

202220112221121 is an equidigital number, since it uses as much as digits as its factorization.

202220112221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923379507935.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202220112221121 its reverse (121122211022202), we get a palindrome (323342323243323).

The spelling of 202220112221121 in words is "two hundred two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".