2100002111120 has 40 divisors (see below), whose sum is σ = 4882619974464. Its totient is φ = 839981048192.

The previous prime is 2100002111117. The next prime is 2100002111159. The reversal of 2100002111120 is 211112000012.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3379757 + ... + 3952563.

Almost surely, 2^{2100002111120} is an apocalyptic number.

2100002111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100002111120 is an abundant number, since it is smaller than the sum of its proper divisors (2782617863344).

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

2100002111120 is a wasteful number, since it uses less digits than its factorization.

2100002111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618647 (or 618641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100002111120 its reverse (211112000012), we get a palindrome (2311114111132).

It can be divided in two parts, 2100002 and 111120, that added together give a palindrome (2211122).

The spelling of 2100002111120 in words is "two trillion, one hundred billion, two million, one hundred eleven thousand, one hundred twenty".