1122251122989 has 16 divisors (see below), whose sum is σ = 1664403427200. Its totient is φ = 747353288448.

The previous prime is 1122251122981. The next prime is 1122251123029. The reversal of 1122251122989 is 9892211522211.

1122251122989 is a `hidden beast` number, since 1 + 1 + 2 + 22 + 511 + 22 + 98 + 9 = 666.

It is not a de Polignac number, because 1122251122989 - 2³ = 1122251122981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122251122981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22589364 + ... + 22638989.

It is an arithmetic number, because the mean of its divisors is an integer number (104025214200).

Almost surely, 2^{1122251122989} is an apocalyptic number.

It is an amenable number.

1122251122989 is a deficient number, since it is larger than the sum of its proper divisors (542152304211).

1122251122989 is an equidigital number, since it uses as much as digits as its factorization.

1122251122989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45229281 (or 45229275 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The spelling of 1122251122989 in words is "one trillion, one hundred twenty-two billion, two hundred fifty-one million, one hundred twenty-two thousand, nine hundred eighty-nine".