202220201121121 has 16 divisors (see below), whose sum is σ = 212957205431040. Its totient is φ = 191492598424320.

The previous prime is 202220201121079. The next prime is 202220201121149. The reversal of 202220201121121 is 121121102022202.

202220201121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202220201121121 - 2¹⁹ = 202220200596833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220201121721) 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, 411328971 + ... + 411820303.

It is an arithmetic number, because the mean of its divisors is an integer number (13309825339440).

Almost surely, 2^{202220201121121} is an apocalyptic number.

It is an amenable number.

202220201121121 is a deficient number, since it is larger than the sum of its proper divisors (10737004309919).

202220201121121 is a wasteful number, since it uses less digits than its factorization.

202220201121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500856.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202220201121121 its reverse (121121102022202), we get a palindrome (323341303143323).

The spelling of 202220201121121 in words is "two hundred two trillion, two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-one".