22140123100 has 36 divisors (see below), whose sum is σ = 48285538000. Its totient is φ = 8811538560.

The previous prime is 22140123091. The next prime is 22140123113. The reversal of 22140123100 is 132104122.

It is a super-2 number, since 2×22140123100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536385 + ... + 576184.

Almost surely, 2^22140123100 is an apocalyptic number.

22140123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22140123100 is an abundant number, since it is smaller than the sum of its proper divisors (26145414900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22140123100 is a wasteful number, since it uses less digits than its factorization.

22140123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112782 (or 1112775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22140123100 its reverse (132104122), we get a palindrome (22272227222).

The spelling of 22140123100 in words is "twenty-two billion, one hundred forty million, one hundred twenty-three thousand, one hundred".