21122113200140 has 12 divisors (see below), whose sum is σ = 44356437720336. Its totient is φ = 8448845280048.

The previous prime is 21122113200109. The next prime is 21122113200157. The reversal of 21122113200140 is 4100231122112.

It is a super-2 number, since 2×21122113200140² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1056105660007 = 21122113200140 / (2 + 1 + 1 + 2 + 2 + 1 + 1 + 3 + 2 + 0 + 0 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528052829984 + ... + 528052830023.

It is an arithmetic number, because the mean of its divisors is an integer number (3696369810028).

Almost surely, 2^{21122113200140} is an apocalyptic number.

21122113200140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21122113200140 is an abundant number, since it is smaller than the sum of its proper divisors (23234324520196).

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

21122113200140 is a wasteful number, since it uses less digits than its factorization.

21122113200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056105660016 (or 1056105660014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21122113200140 its reverse (4100231122112), we get a palindrome (25222344322252).

The spelling of 21122113200140 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred thirteen million, two hundred thousand, one hundred forty".