202222111020121 has 16 divisors (see below), whose sum is σ = 222910860723840. Its totient is φ = 182597194200960.

The previous prime is 202222111020089. The next prime is 202222111020157. The reversal of 202222111020121 is 121020111222202.

It is not a de Polignac number, because 202222111020121 - 2⁵ = 202222111020089 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 (202222111020191) 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, 823277250 + ... + 823522843.

It is an arithmetic number, because the mean of its divisors is an integer number (13931928795240).

Almost surely, 2^{202222111020121} is an apocalyptic number.

It is an amenable number.

202222111020121 is a deficient number, since it is larger than the sum of its proper divisors (20688749703719).

202222111020121 is a wasteful number, since it uses less digits than its factorization.

202222111020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646800416.

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

Adding to 202222111020121 its reverse (121020111222202), we get a palindrome (323242222242323).

The spelling of 202222111020121 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred eleven million, twenty thousand, one hundred twenty-one".