100002113121000 has 64 divisors (see below), whose sum is σ = 312006592946880. Its totient is φ = 26667230164800.

The previous prime is 100002113120981. The next prime is 100002113121011. The reversal of 100002113121000 is 121311200001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16667015854 + ... + 16667021853.

It is an arithmetic number, because the mean of its divisors is an integer number (4875103014795).

Almost surely, 2^{100002113121000} is an apocalyptic number.

100002113121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002113121000 is an abundant number, since it is smaller than the sum of its proper divisors (212004479825880).

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

100002113121000 is a wasteful number, since it uses less digits than its factorization.

100002113121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334037731 (or 33334037717 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100002113121000 its reverse (121311200001), we get a palindrome (100123424321001).

The spelling of 100002113121000 in words is "one hundred trillion, two billion, one hundred thirteen million, one hundred twenty-one thousand".