2111125320 has 96 divisors (see below), whose sum is σ = 7007195520. Its totient is φ = 550984320.

The previous prime is 2111125277. The next prime is 2111125339. The reversal of 2111125320 is 235211112.

2111125320 is a `hidden beast` number, since 21 + 1 + 112 + 532 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2111125293 and 2111125302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45466 + ... + 79305.

It is an arithmetic number, because the mean of its divisors is an integer number (72991620).

Almost surely, 2^2111125320 is an apocalyptic number.

2111125320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111125320 is an abundant number, since it is smaller than the sum of its proper divisors (4896070200).

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

2111125320 is a wasteful number, since it uses less digits than its factorization.

2111125320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124835 (or 124828 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2111125320 is about 45946.9837965453. The cubic root of 2111125320 is about 1282.8365884678.

Adding to 2111125320 its reverse (235211112), we get a palindrome (2346336432).

The spelling of 2111125320 in words is "two billion, one hundred eleven million, one hundred twenty-five thousand, three hundred twenty".