22503143121100 has 36 divisors (see below), whose sum is σ = 49050797395264. Its totient is φ = 8960892857280.

The previous prime is 22503143121083. The next prime is 22503143121113. The reversal of 22503143121100 is 112134130522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504532479 + ... + 504577078.

Almost surely, 2^{22503143121100} is an apocalyptic number.

22503143121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22503143121100 is an abundant number, since it is smaller than the sum of its proper divisors (26547654274164).

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

22503143121100 is a wasteful number, since it uses less digits than its factorization.

22503143121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009109794 (or 1009109787 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 22503143121100 its reverse (112134130522), we get a palindrome (22615277251622).

The spelling of 22503143121100 in words is "twenty-two trillion, five hundred three billion, one hundred forty-three million, one hundred twenty-one thousand, one hundred".