20220001121121 has 32 divisors (see below), whose sum is σ = 28153563586560. Its totient is φ = 12884113750464.

The previous prime is 20220001121093. The next prime is 20220001121149. The reversal of 20220001121121 is 12112110002202.

It is an interprime number because it is at equal distance from previous prime (20220001121093) and next prime (20220001121149).

It is not a de Polignac number, because 20220001121121 - 2⁶ = 20220001121057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220001121121.

It is not an unprimeable number, because it can be changed into a prime (20220001121321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 846473640 + ... + 846497526.

It is an arithmetic number, because the mean of its divisors is an integer number (879798862080).

Almost surely, 2^{20220001121121} is an apocalyptic number.

It is an amenable number.

20220001121121 is a deficient number, since it is larger than the sum of its proper divisors (7933562465439).

20220001121121 is a wasteful number, since it uses less digits than its factorization.

20220001121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32725.

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

Adding to 20220001121121 its reverse (12112110002202), we get a palindrome (32332111123323).

The spelling of 20220001121121 in words is "twenty trillion, two hundred twenty billion, one million, one hundred twenty-one thousand, one hundred twenty-one".