112221223120001 has 4 divisors (see below), whose sum is σ = 112221603397332. Its totient is φ = 112220842842672.

The previous prime is 112221223119961. The next prime is 112221223120021. The reversal of 112221223120001 is 100021322122211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53582385360001 + 58638837760000 = 7319999^2 + 7657600^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221223120001 - 2⁶ = 112221223119937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112221223120021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189695666 + ... + 190286331.

It is an arithmetic number, because the mean of its divisors is an integer number (28055400849333).

Almost surely, 2^{112221223120001} is an apocalyptic number.

It is an amenable number.

112221223120001 is a deficient number, since it is larger than the sum of its proper divisors (380277331).

112221223120001 is an equidigital number, since it uses as much as digits as its factorization.

112221223120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380277330.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112221223120001 its reverse (100021322122211), we get a palindrome (212242545242212).

The spelling of 112221223120001 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-three million, one hundred twenty thousand, one".