2111000233220 has 12 divisors (see below), whose sum is σ = 4433100489804. Its totient is φ = 844400093280.

The previous prime is 2111000233211. The next prime is 2111000233231. The reversal of 2111000233220 is 223320001112.

It can be written as a sum of positive squares in 2 ways, for example, as 1596073436164 + 514926797056 = 1263358^2 + 717584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52775005811 + ... + 52775005850.

It is an arithmetic number, because the mean of its divisors is an integer number (369425040817).

Almost surely, 2^{2111000233220} is an apocalyptic number.

2111000233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111000233220 is an abundant number, since it is smaller than the sum of its proper divisors (2322100256584).

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

2111000233220 is a wasteful number, since it uses less digits than its factorization.

2111000233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105550011670 (or 105550011668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2111000233220 its reverse (223320001112), we get a palindrome (2334320234332).

The spelling of 2111000233220 in words is "two trillion, one hundred eleven billion, two hundred thirty-three thousand, two hundred twenty".