22233112121 has 16 divisors (see below), whose sum is σ = 24578131200. Its totient is φ = 19942416000.

The previous prime is 22233112063. The next prime is 22233112141. The reversal of 22233112121 is 12121133222.

It is a cyclic number.

It is not a de Polignac number, because 22233112121 - 2¹⁰ = 22233111097 is a prime.

It is a super-2 number, since 2×22233112121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22233112093 and 22233112102.

It is not an unprimeable number, because it can be changed into a prime (22233112141) 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, 1390271 + ... + 1406171.

It is an arithmetic number, because the mean of its divisors is an integer number (1536133200).

Almost surely, 2^22233112121 is an apocalyptic number.

It is an amenable number.

22233112121 is a deficient number, since it is larger than the sum of its proper divisors (2345019079).

22233112121 is a wasteful number, since it uses less digits than its factorization.

22233112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17600.

The product of its digits is 288, while the sum is 20.

Adding to 22233112121 its reverse (12121133222), we get a palindrome (34354245343).

The spelling of 22233112121 in words is "twenty-two billion, two hundred thirty-three million, one hundred twelve thousand, one hundred twenty-one".