22101101121 has 16 divisors (see below), whose sum is σ = 32156229888. Its totient is φ = 13390784400.

The previous prime is 22101101119. The next prime is 22101101123. The reversal of 22101101121 is 12110110122.

It is an interprime number because it is at equal distance from previous prime (22101101119) and next prime (22101101123).

It is not a de Polignac number, because 22101101121 - 2¹ = 22101101119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22101101097 and 22101101106.

It is not an unprimeable number, because it can be changed into a prime (22101101123) 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, 24070 + ... + 211616.

It is an arithmetic number, because the mean of its divisors is an integer number (2009764368).

Almost surely, 2^22101101121 is an apocalyptic number.

It is an amenable number.

22101101121 is a deficient number, since it is larger than the sum of its proper divisors (10055128767).

22101101121 is a wasteful number, since it uses less digits than its factorization.

22101101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191132.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22101101121 its reverse (12110110122), we get a palindrome (34211211243).

Subtracting from 22101101121 its reverse (12110110122), we obtain a palindrome (9990990999).

The spelling of 22101101121 in words is "twenty-two billion, one hundred one million, one hundred one thousand, one hundred twenty-one".