2311112100 has 108 divisors (see below), whose sum is σ = 7350088592. Its totient is φ = 560260800.

The previous prime is 2311112081. The next prime is 2311112113. The reversal of 2311112100 is 12111132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4467 + ... + 68133.

Almost surely, 2^2311112100 is an apocalyptic number.

2311112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3675044296).

2311112100 is an abundant number, since it is smaller than the sum of its proper divisors (5038976492).

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

2311112100 is a wasteful number, since it uses less digits than its factorization.

2311112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63706 (or 63688 counting only the distinct ones).

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

The square root of 2311112100 is about 48074.0272912516. The cubic root of 2311112100 is about 1322.1285103599.

Adding to 2311112100 its reverse (12111132), we get a palindrome (2323223232).

It can be divided in two parts, 2311 and 112100, that added together give a palindrome (114411).

The spelling of 2311112100 in words is "two billion, three hundred eleven million, one hundred twelve thousand, one hundred".