2001110100120 has 96 divisors (see below), whose sum is σ = 6679381054320. Its totient is φ = 519206941440.

The previous prime is 2001110100113. The next prime is 2001110100133. The reversal of 2001110100120 is 210010111002.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75103426 + ... + 75130065.

Almost surely, 2^{2001110100120} is an apocalyptic number.

2001110100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001110100120 is an abundant number, since it is smaller than the sum of its proper divisors (4678270954200).

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

2001110100120 is a wasteful number, since it uses less digits than its factorization.

2001110100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150233545 (or 150233538 counting only the distinct ones).

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

Adding to 2001110100120 its reverse (210010111002), we get a palindrome (2211120211122).

The spelling of 2001110100120 in words is "two trillion, one billion, one hundred ten million, one hundred thousand, one hundred twenty".