2110100120 has 32 divisors (see below), whose sum is σ = 4814601120. Its totient is φ = 832151040.

The previous prime is 2110100101. The next prime is 2110100143. The reversal of 2110100120 is 210010112.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 2110100098 and 2110100107.

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, 368657 + ... + 374336.

It is an arithmetic number, because the mean of its divisors is an integer number (150456285).

Almost surely, 2^2110100120 is an apocalyptic number.

2110100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110100120 is an abundant number, since it is smaller than the sum of its proper divisors (2704501000).

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

2110100120 is a wasteful number, since it uses less digits than its factorization.

2110100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743075 (or 743071 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2110100120 is about 45935.8261055573. The cubic root of 2110100120 is about 1282.6288987577.

Adding to 2110100120 its reverse (210010112), we get a palindrome (2320110232).

The spelling of 2110100120 in words is "two billion, one hundred ten million, one hundred thousand, one hundred twenty".