1112222021969 has 2 divisors, whose sum is σ = 1112222021970. Its totient is φ = 1112222021968.

The previous prime is 1112222021947. The next prime is 1112222022007. The reversal of 1112222021969 is 9691202222111.

It is an a-pointer prime, because the next prime (1112222022007) can be obtained adding 1112222021969 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849094060369 + 263127961600 = 921463^2 + 512960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112222021969 - 2³⁶ = 1043502545233 is a prime.

It is a super-2 number, since 2×1112222021969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112222021929) 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 as a sum of consecutive naturals, namely, 556111010984 + 556111010985.

It is an arithmetic number, because the mean of its divisors is an integer number (556111010985).

Almost surely, 2^{1112222021969} is an apocalyptic number.

It is an amenable number.

1112222021969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112222021969 is an equidigital number, since it uses as much as digits as its factorization.

1112222021969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 1112222021969 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, twenty-one thousand, nine hundred sixty-nine".