112220220201989 has 2 divisors, whose sum is σ = 112220220201990. Its totient is φ = 112220220201988.

The previous prime is 112220220201967. The next prime is 112220220202031. The reversal of 112220220201989 is 989102022022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111050329193764 + 1169891008225 = 10538042^2 + 1081615^2 .

It is a cyclic number.

It is not a de Polignac number, because 112220220201989 - 2²⁴ = 112220203424773 is a prime.

It is a super-2 number, since 2×112220220201989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112220220201689) 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, 56110110100994 + 56110110100995.

It is an arithmetic number, because the mean of its divisors is an integer number (56110110100995).

Almost surely, 2^{112220220201989} is an apocalyptic number.

It is an amenable number.

112220220201989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220220201989 is an equidigital number, since it uses as much as digits as its factorization.

112220220201989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 112220220201989 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred eighty-nine".