2110120002120 has 128 divisors (see below), whose sum is σ = 7176116707200. Its totient is φ = 492076560384.

The previous prime is 2110120002083. The next prime is 2110120002121. The reversal of 2110120002120 is 212000210112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2110120002096 and 2110120002105.

It is not an unprimeable number, because it can be changed into a prime (2110120002121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35566177 + ... + 35625456.

It is an arithmetic number, because the mean of its divisors is an integer number (56063411775).

Almost surely, 2^{2110120002120} is an apocalyptic number.

2110120002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110120002120 is an abundant number, since it is smaller than the sum of its proper divisors (5065996705080).

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

2110120002120 is a wasteful number, since it uses less digits than its factorization.

2110120002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71191679 (or 71191675 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2110120002120 its reverse (212000210112), we get a palindrome (2322120212232).

The spelling of 2110120002120 in words is "two trillion, one hundred ten billion, one hundred twenty million, two thousand, one hundred twenty".