112222012221122 has 4 divisors (see below), whose sum is σ = 168333018331686. Its totient is φ = 56111006110560.

The previous prime is 112222012221097. The next prime is 112222012221161. The reversal of 112222012221122 is 221122210222211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95227756257841 + 16994255963281 = 9758471^2 + 4122409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28055503055279 + ... + 28055503055282.

Almost surely, 2^{112222012221122} is an apocalyptic number.

112222012221122 is a deficient number, since it is larger than the sum of its proper divisors (56111006110564).

112222012221122 is an equidigital number, since it uses as much as digits as its factorization.

112222012221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56111006110563.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112222012221122 its reverse (221122210222211), we get a palindrome (333344222443333).

The spelling of 112222012221122 in words is "one hundred twelve trillion, two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, one hundred twenty-two".