2011111300 has 36 divisors (see below), whose sum is σ = 4760851536. Its totient is φ = 731312800.

The previous prime is 2011111261. The next prime is 2011111301. The reversal of 2011111300 is 31111102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2011111301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913042 + ... + 915241.

It is an arithmetic number, because the mean of its divisors is an integer number (132245876).

Almost surely, 2^2011111300 is an apocalyptic number.

2011111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011111300 is an abundant number, since it is smaller than the sum of its proper divisors (2749740236).

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

2011111300 is a wasteful number, since it uses less digits than its factorization.

2011111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828308 (or 1828301 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2011111300 is about 44845.4155962457. The cubic root of 2011111300 is about 1262.2499691117.

Adding to 2011111300 its reverse (31111102), we get a palindrome (2042222402).

It can be divided in two parts, 2011 and 111300, that added together give a palindrome (113311).

The spelling of 2011111300 in words is "two billion, eleven million, one hundred eleven thousand, three hundred".