22102001121 has 16 divisors (see below), whose sum is σ = 31866718464. Its totient is φ = 13572858624.

The previous prime is 22102001113. The next prime is 22102001167. The reversal of 22102001121 is 12110020122.

It is not a de Polignac number, because 22102001121 - 2³ = 22102001113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22102001097 and 22102001106.

It is not an unprimeable number, because it can be changed into a prime (22102001021) 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, 4607950 + ... + 4612743.

It is an arithmetic number, because the mean of its divisors is an integer number (1991669904).

Almost surely, 2^22102001121 is an apocalyptic number.

It is an amenable number.

22102001121 is a deficient number, since it is larger than the sum of its proper divisors (9764717343).

22102001121 is a wasteful number, since it uses less digits than its factorization.

22102001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220760.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22102001121 its reverse (12110020122), we get a palindrome (34212021243).

The spelling of 22102001121 in words is "twenty-two billion, one hundred two million, one thousand, one hundred twenty-one".