2111310120 has 64 divisors (see below), whose sum is σ = 6453457920. Its totient is φ = 552391424.

The previous prime is 2111310109. The next prime is 2111310127. The reversal of 2111310120 is 210131112.

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 = 2111310096 and 2111310105.

It is not an unprimeable number, because it can be changed into a prime (2111310127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159624 + ... + 172343.

It is an arithmetic number, because the mean of its divisors is an integer number (100835280).

Almost surely, 2^2111310120 is an apocalyptic number.

2111310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111310120 is an abundant number, since it is smaller than the sum of its proper divisors (4342147800).

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

2111310120 is a wasteful number, since it uses less digits than its factorization.

2111310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332034 (or 332030 counting only the distinct ones).

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

The square root of 2111310120 is about 45948.9947659358. The cubic root of 2111310120 is about 1282.8740189450.

Adding to 2111310120 its reverse (210131112), we get a palindrome (2321441232).

The spelling of 2111310120 in words is "two billion, one hundred eleven million, three hundred ten thousand, one hundred twenty".