100002001120 has 48 divisors (see below), whose sum is σ = 270005406048. Its totient is φ = 34286400000.

The previous prime is 100002001111. The next prime is 100002001147. The reversal of 100002001120 is 21100200001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44642631 + ... + 44644870.

It is an arithmetic number, because the mean of its divisors is an integer number (5625112626).

Almost surely, 2^100002001120 is an apocalyptic number.

100002001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002001120 is an abundant number, since it is smaller than the sum of its proper divisors (170003404928).

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

100002001120 is an equidigital number, since it uses as much as digits as its factorization.

100002001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89287523 (or 89287515 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100002001120 its reverse (21100200001), we get a palindrome (121102201121).

The spelling of 100002001120 in words is "one hundred billion, two million, one thousand, one hundred twenty".