1122235688889 has 18 divisors (see below), whose sum is σ = 1885661328330. Its totient is φ = 641277536256.

The previous prime is 1122235688887. The next prime is 1122235688909. The reversal of 1122235688889 is 9888865322211.

1122235688889 is a `hidden beast` number, since 1 + 122 + 2 + 356 + 8 + 88 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 848042075664 + 274193613225 = 920892^2 + 523635^2 .

It is not a de Polignac number, because 1122235688889 - 2¹ = 1122235688887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122235688887) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1272375624 + ... + 1272376505.

It is an arithmetic number, because the mean of its divisors is an integer number (104758962685).

Almost surely, 2^{1122235688889} is an apocalyptic number.

It is an amenable number.

1122235688889 is a deficient number, since it is larger than the sum of its proper divisors (763425639441).

1122235688889 is a wasteful number, since it uses less digits than its factorization.

1122235688889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544752149 (or 2544752139 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 63.

The spelling of 1122235688889 in words is "one trillion, one hundred twenty-two billion, two hundred thirty-five million, six hundred eighty-eight thousand, eight hundred eighty-nine".