2101244255 has 12 divisors (see below), whose sum is σ = 2771559336. Its totient is φ = 1528177200.

The previous prime is 2101244239. The next prime is 2101244261. The reversal of 2101244255 is 5524421012.

It is not a de Polignac number, because 2101244255 - 2⁴ = 2101244239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735961 + ... + 1737170.

It is an arithmetic number, because the mean of its divisors is an integer number (230963278).

Almost surely, 2^2101244255 is an apocalyptic number.

2101244255 is a deficient number, since it is larger than the sum of its proper divisors (670315081).

2101244255 is a wasteful number, since it uses less digits than its factorization.

2101244255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473158 (or 3473147 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2101244255 is about 45839.3308742612. The cubic root of 2101244255 is about 1280.8320304544.

Adding to 2101244255 its reverse (5524421012), we get a palindrome (7625665267).

The spelling of 2101244255 in words is "two billion, one hundred one million, two hundred forty-four thousand, two hundred fifty-five".