22402043121 has 16 divisors (see below), whose sum is σ = 30601131264. Its totient is φ = 14569668624.

The previous prime is 22402043113. The next prime is 22402043159. The reversal of 22402043121 is 12134020422.

It is not a de Polignac number, because 22402043121 - 2³ = 22402043113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22402043101) 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, 1690 + ... + 211676.

It is an arithmetic number, because the mean of its divisors is an integer number (1912570704).

Almost surely, 2^22402043121 is an apocalyptic number.

It is an amenable number.

22402043121 is a deficient number, since it is larger than the sum of its proper divisors (8199088143).

22402043121 is a wasteful number, since it uses less digits than its factorization.

22402043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210860.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22402043121 its reverse (12134020422), we get a palindrome (34536063543).

The spelling of 22402043121 in words is "twenty-two billion, four hundred two million, forty-three thousand, one hundred twenty-one".