22401005121 has 12 divisors (see below), whose sum is σ = 35298553680. Its totient is φ = 13576366680.

The previous prime is 22401005119. The next prime is 22401005147. The reversal of 22401005121 is 12150010422.

It is not a de Polignac number, because 22401005121 - 2¹ = 22401005119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22401005094 and 22401005103.

It is not an unprimeable number, because it can be changed into a prime (22401005171) 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, 113136291 + ... + 113136488.

It is an arithmetic number, because the mean of its divisors is an integer number (2941546140).

Almost surely, 2^22401005121 is an apocalyptic number.

It is an amenable number.

22401005121 is a deficient number, since it is larger than the sum of its proper divisors (12897548559).

22401005121 is a wasteful number, since it uses less digits than its factorization.

22401005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226272796 (or 226272793 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 22401005121 its reverse (12150010422), we get a palindrome (34551015543).

The spelling of 22401005121 in words is "twenty-two billion, four hundred one million, five thousand, one hundred twenty-one".