112222202221 has 8 divisors (see below), whose sum is σ = 119051585784. Its totient is φ = 105418160640.

The previous prime is 112222202201. The next prime is 112222202233. The reversal of 112222202221 is 122202222211.

It can be written as a sum of positive squares in 4 ways, for example, as 15746736196 + 96475466025 = 125486^2 + 310605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112222202221 - 2¹⁷ = 112222071149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222202201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6326370 + ... + 6344083.

It is an arithmetic number, because the mean of its divisors is an integer number (14881448223).

Almost surely, 2^112222202221 is an apocalyptic number.

It is an amenable number.

112222202221 is a deficient number, since it is larger than the sum of its proper divisors (6829383563).

112222202221 is a wasteful number, since it uses less digits than its factorization.

112222202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12670991.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 112222202221 its reverse (122202222211), we get a palindrome (234424424432).

The spelling of 112222202221 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".