112021203221 has 2 divisors, whose sum is σ = 112021203222. Its totient is φ = 112021203220.

The previous prime is 112021203209. The next prime is 112021203319. The reversal of 112021203221 is 122302120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98320500721 + 13700702500 = 313561^2 + 117050^2 .

It is an emirp because it is prime and its reverse (122302120211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112021203221 - 2¹⁰ = 112021202197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112021203221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021202221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010601610 + 56010601611.

It is an arithmetic number, because the mean of its divisors is an integer number (56010601611).

Almost surely, 2^112021203221 is an apocalyptic number.

It is an amenable number.

112021203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021203221 is an equidigital number, since it uses as much as digits as its factorization.

112021203221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112021203221 its reverse (122302120211), we get a palindrome (234323323432).

The spelling of 112021203221 in words is "one hundred twelve billion, twenty-one million, two hundred three thousand, two hundred twenty-one".