23202121133100 has 144 divisors (see below), whose sum is σ = 82623348378368. Its totient is φ = 4895392584960.

The previous prime is 23202121133017. The next prime is 23202121133111. The reversal of 23202121133100 is 133112120232.

It is a super-2 number, since 2×23202121133100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424919974 + ... + 424974573.

Almost surely, 2^{23202121133100} is an apocalyptic number.

23202121133100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23202121133100 is an abundant number, since it is smaller than the sum of its proper divisors (59421227245268).

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

23202121133100 is a wasteful number, since it uses less digits than its factorization.

23202121133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849894584 (or 849894577 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23202121133100 its reverse (133112120232), we get a palindrome (23335233253332).

The spelling of 23202121133100 in words is "twenty-three trillion, two hundred two billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred".