112022319821 has 2 divisors, whose sum is σ = 112022319822. Its totient is φ = 112022319820.

The previous prime is 112022319797. The next prime is 112022319901. The reversal of 112022319821 is 128913220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59823778921 + 52198540900 = 244589^2 + 228470^2 .

It is an emirp because it is prime and its reverse (128913220211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112022319821 - 2¹⁸ = 112022057677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112022310821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56011159910 + 56011159911.

It is an arithmetic number, because the mean of its divisors is an integer number (56011159911).

Almost surely, 2^112022319821 is an apocalyptic number.

It is an amenable number.

112022319821 is a deficient number, since it is larger than the sum of its proper divisors (1).

112022319821 is an equidigital number, since it uses as much as digits as its factorization.

112022319821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 112022319821 in words is "one hundred twelve billion, twenty-two million, three hundred nineteen thousand, eight hundred twenty-one".