22011100112123 has 8 divisors (see below), whose sum is σ = 23083522080000. Its totient is φ = 20948296278888.

The previous prime is 22011100112017. The next prime is 22011100112143. The reversal of 22011100112123 is 32121100111022.

It is a happy number.

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 22011100112123 - 2²⁶ = 22011033003259 is a prime.

It is a super-2 number, since 2×22011100112123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011100112143) 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, 2404528973 + ... + 2404538126.

It is an arithmetic number, because the mean of its divisors is an integer number (2885440260000).

Almost surely, 2^{22011100112123} is an apocalyptic number.

22011100112123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22011100112123 is a deficient number, since it is larger than the sum of its proper divisors (1072421967877).

22011100112123 is a wasteful number, since it uses less digits than its factorization.

22011100112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809067321.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22011100112123 its reverse (32121100111022), we get a palindrome (54132200223145).

The spelling of 22011100112123 in words is "twenty-two trillion, eleven billion, one hundred million, one hundred twelve thousand, one hundred twenty-three".