2311012120 has 32 divisors (see below), whose sum is σ = 5218989120. Its totient is φ = 920989440.

The previous prime is 2311012111. The next prime is 2311012127. The reversal of 2311012120 is 212101132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311012127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95757 + ... + 117436.

It is an arithmetic number, because the mean of its divisors is an integer number (163093410).

Almost surely, 2^2311012120 is an apocalyptic number.

2311012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311012120 is an abundant number, since it is smaller than the sum of its proper divisors (2907977000).

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

2311012120 is a wasteful number, since it uses less digits than its factorization.

2311012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213475 (or 213471 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311012120 is about 48072.9874253723. The cubic root of 2311012120 is about 1322.1094447458.

Adding to 2311012120 its reverse (212101132), we get a palindrome (2523113252).

It can be divided in two parts, 2311012 and 120, that added together give a palindrome (2311132).

The spelling of 2311012120 in words is "two billion, three hundred eleven million, twelve thousand, one hundred twenty".