20222202201121 has 4 divisors (see below), whose sum is σ = 20223434452144. Its totient is φ = 20220969950100.

The previous prime is 20222202201109. The next prime is 20222202201127. The reversal of 20222202201121 is 12110220222202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20222202201121 - 2³⁹ = 19672446387233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222202201127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616100895 + ... + 616133716.

It is an arithmetic number, because the mean of its divisors is an integer number (5055858613036).

Almost surely, 2^{20222202201121} is an apocalyptic number.

It is an amenable number.

20222202201121 is a deficient number, since it is larger than the sum of its proper divisors (1232251023).

20222202201121 is a wasteful number, since it uses less digits than its factorization.

20222202201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232251022.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222202201121 its reverse (12110220222202), we get a palindrome (32332422423323).

The spelling of 20222202201121 in words is "twenty trillion, two hundred twenty-two billion, two hundred two million, two hundred one thousand, one hundred twenty-one".