10000120112100 has 108 divisors (see below), whose sum is σ = 31347435237300. Its totient is φ = 2666476281600.

The previous prime is 10000120112071. The next prime is 10000120112111. The reversal of 10000120112100 is 121102100001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3052341504 + 9997067770596 = 55248^2 + 3161814^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10476810 + ... + 11391390.

It is an arithmetic number, because the mean of its divisors is an integer number (290254029975).

Almost surely, 2^{10000120112100} is an apocalyptic number.

10000120112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000120112100 is an abundant number, since it is smaller than the sum of its proper divisors (21347315125200).

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

10000120112100 is a wasteful number, since it uses less digits than its factorization.

10000120112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926750 (or 926740 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10000120112100 its reverse (121102100001), we get a palindrome (10121222212101).

The spelling of 10000120112100 in words is "ten trillion, one hundred twenty million, one hundred twelve thousand, one hundred".