2111321255 has 8 divisors (see below), whose sum is σ = 2534123472. Its totient is φ = 1688698368.

The previous prime is 2111321243. The next prime is 2111321297. The reversal of 2111321255 is 5521231112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111321255 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111321255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17402 + ... + 67271.

It is an arithmetic number, because the mean of its divisors is an integer number (316765434).

Almost surely, 2^2111321255 is an apocalyptic number.

2111321255 is a deficient number, since it is larger than the sum of its proper divisors (422802217).

2111321255 is an equidigital number, since it uses as much as digits as its factorization.

2111321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89665.

The product of its digits is 600, while the sum is 23.

The square root of 2111321255 is about 45949.1159327359. The cubic root of 2111321255 is about 1282.8762742236.

Adding to 2111321255 its reverse (5521231112), we get a palindrome (7632552367).

The spelling of 2111321255 in words is "two billion, one hundred eleven million, three hundred twenty-one thousand, two hundred fifty-five".