22166511123 has 8 divisors (see below), whose sum is σ = 31293898128. Its totient is φ = 13908399104.

The previous prime is 22166511121. The next prime is 22166511149. The reversal of 22166511123 is 32111566122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22166511123 - 2¹ = 22166511121 is a prime.

It is a super-2 number, since 2×22166511123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22166511121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217318686 + ... + 217318787.

It is an arithmetic number, because the mean of its divisors is an integer number (3911737266).

Almost surely, 2^22166511123 is an apocalyptic number.

22166511123 is a deficient number, since it is larger than the sum of its proper divisors (9127387005).

22166511123 is a wasteful number, since it uses less digits than its factorization.

22166511123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434637493.

The product of its digits is 4320, while the sum is 30.

The spelling of 22166511123 in words is "twenty-two billion, one hundred sixty-six million, five hundred eleven thousand, one hundred twenty-three".