112220021201989 has 2 divisors, whose sum is σ = 112220021201990. Its totient is φ = 112220021201988.

The previous prime is 112220021201933. The next prime is 112220021202019. The reversal of 112220021201989 is 989102120022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102583311668964 + 9636709533025 = 10128342^2 + 3104305^2 .

It is a cyclic number.

It is not a de Polignac number, because 112220021201989 - 2¹⁹ = 112220020677701 is a prime.

It is a super-2 number, since 2×112220021201989² (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 (112220021201389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110010600994 + 56110010600995.

It is an arithmetic number, because the mean of its divisors is an integer number (56110010600995).

Almost surely, 2^{112220021201989} is an apocalyptic number.

It is an amenable number.

112220021201989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220021201989 is an equidigital number, since it uses as much as digits as its factorization.

112220021201989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 112220021201989 in words is "one hundred twelve trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, nine hundred eighty-nine".