120100111000002 has 48 divisors (see below), whose sum is σ = 305428338925632. Its totient is φ = 33386903442720.

The previous prime is 120100110999929. The next prime is 120100111000003. The reversal of 120100111000002 is 200000111001021.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (120100111000003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12880745124 + ... + 12880754447.

It is an arithmetic number, because the mean of its divisors is an integer number (6363090394284).

Almost surely, 2^{120100111000002} is an apocalyptic number.

120100111000002 is an abundant number, since it is smaller than the sum of its proper divisors (185328227925630).

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

120100111000002 is a wasteful number, since it uses less digits than its factorization.

120100111000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761499623 (or 25761499620 counting only the distinct ones).

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

Adding to 120100111000002 its reverse (200000111001021), we get a palindrome (320100222001023).

The spelling of 120100111000002 in words is "one hundred twenty trillion, one hundred billion, one hundred eleven million, two", and thus it is an aban number.