1112120221973 has 2 divisors, whose sum is σ = 1112120221974. Its totient is φ = 1112120221972.

The previous prime is 1112120221957. The next prime is 1112120222021. The reversal of 1112120221973 is 3791220212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758026198609 + 354094023364 = 870647^2 + 595058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112120221973 - 2⁴ = 1112120221957 is a prime.

It is a super-2 number, since 2×1112120221973² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112120224973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060110986 + 556060110987.

It is an arithmetic number, because the mean of its divisors is an integer number (556060110987).

Almost surely, 2^{1112120221973} is an apocalyptic number.

It is an amenable number.

1112120221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112120221973 is an equidigital number, since it uses as much as digits as its factorization.

1112120221973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 1112120221973 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred seventy-three".