112021202221 has 2 divisors, whose sum is σ = 112021202222. Its totient is φ = 112021202220.

The previous prime is 112021202197. The next prime is 112021202243. The reversal of 112021202221 is 122202120211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110459846025 + 1561356196 = 332355^2 + 39514^2 .

It is a cyclic number.

It is not a de Polignac number, because 112021202221 - 2⁷ = 112021202093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112021202195 and 112021202204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010601110 + 56010601111.

It is an arithmetic number, because the mean of its divisors is an integer number (56010601111).

Almost surely, 2^112021202221 is an apocalyptic number.

It is an amenable number.

112021202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021202221 is an equidigital number, since it uses as much as digits as its factorization.

112021202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112021202221 its reverse (122202120211), we get a palindrome (234223322432).

The spelling of 112021202221 in words is "one hundred twelve billion, twenty-one million, two hundred two thousand, two hundred twenty-one".