1122110251 has 2 divisors, whose sum is σ = 1122110252. Its totient is φ = 1122110250.

The previous prime is 1122110239. The next prime is 1122110371. The reversal of 1122110251 is 1520112211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122110251 - 2⁷ = 1122110123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561055125 + 561055126.

It is an arithmetic number, because the mean of its divisors is an integer number (561055126).

Almost surely, 2^1122110251 is an apocalyptic number.

1122110251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122110251 is an equidigital number, since it uses as much as digits as its factorization.

1122110251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1122110251 is about 33497.9141290917. The cubic root of 1122110251 is about 1039.1506412761.

Adding to 1122110251 its reverse (1520112211), we get a palindrome (2642222462).

The spelling of 1122110251 in words is "one billion, one hundred twenty-two million, one hundred ten thousand, two hundred fifty-one".