1110112251 has 16 divisors (see below), whose sum is σ = 1487085600. Its totient is φ = 736616448.

The previous prime is 1110112249. The next prime is 1110112309. The reversal of 1110112251 is 1522110111.

It is not a de Polignac number, because 1110112251 - 2¹ = 1110112249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110112251.

It is not an unprimeable number, because it can be changed into a prime (1110112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896805 + ... + 898041.

It is an arithmetic number, because the mean of its divisors is an integer number (92942850).

Almost surely, 2^1110112251 is an apocalyptic number.

1110112251 is a deficient number, since it is larger than the sum of its proper divisors (376973349).

1110112251 is a wasteful number, since it uses less digits than its factorization.

1110112251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1110112251 is about 33318.3470628421. The cubic root of 1110112251 is about 1035.4337065396.

Adding to 1110112251 its reverse (1522110111), we get a palindrome (2632222362).

The spelling of 1110112251 in words is "one billion, one hundred ten million, one hundred twelve thousand, two hundred fifty-one".