20221110221121 has 12 divisors (see below), whose sum is σ = 29215738606080. Its totient is φ = 13477293245880.

The previous prime is 20221110221107. The next prime is 20221110221173. The reversal of 20221110221121 is 12112201112202.

20221110221121 is a `hidden beast` number, since 202 + 211 + 10 + 221 + 1 + 21 = 666.

It is not a de Polignac number, because 20221110221121 - 2⁵ = 20221110221089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20221110221094 and 20221110221103.

It is not an unprimeable number, because it can be changed into a prime (20221110221321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287204641 + ... + 287275038.

It is an arithmetic number, because the mean of its divisors is an integer number (2434644883840).

Almost surely, 2^{20221110221121} is an apocalyptic number.

It is an amenable number.

20221110221121 is a deficient number, since it is larger than the sum of its proper divisors (8994628384959).

20221110221121 is a wasteful number, since it uses less digits than its factorization.

20221110221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574483596 (or 574483593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20221110221121 its reverse (12112201112202), we get a palindrome (32333311333323).

The spelling of 20221110221121 in words is "twenty trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".