22011101123 has 16 divisors (see below), whose sum is σ = 24854688000. Its totient is φ = 19308754080.

The previous prime is 22011101111. The next prime is 22011101173. The reversal of 22011101123 is 32110111022.

It is not a de Polignac number, because 22011101123 - 2⁶ = 22011101059 is a prime.

It is a super-2 number, since 2×22011101123² (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 = 22011101098 and 22011101107.

It is not an unprimeable number, because it can be changed into a prime (22011101173) 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, 549428 + ... + 588126.

It is an arithmetic number, because the mean of its divisors is an integer number (1553418000).

Almost surely, 2^22011101123 is an apocalyptic number.

22011101123 is a deficient number, since it is larger than the sum of its proper divisors (2843586877).

22011101123 is a wasteful number, since it uses less digits than its factorization.

22011101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40522.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22011101123 its reverse (32110111022), we get a palindrome (54121212145).

The spelling of 22011101123 in words is "twenty-two billion, eleven million, one hundred one thousand, one hundred twenty-three".