112220220202001 has 4 divisors (see below), whose sum is σ = 112220441894400. Its totient is φ = 112219998509604.

The previous prime is 112220220201989. The next prime is 112220220202031. The reversal of 112220220202001 is 100202022022211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112220220202001 - 2¹⁸ = 112220219939857 is a prime.

It is a super-2 number, since 2×112220220202001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112220220202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110085161 + ... + 111099878.

It is an arithmetic number, because the mean of its divisors is an integer number (28055110473600).

Almost surely, 2^{112220220202001} is an apocalyptic number.

It is an amenable number.

112220220202001 is a deficient number, since it is larger than the sum of its proper divisors (221692399).

112220220202001 is an equidigital number, since it uses as much as digits as its factorization.

112220220202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221692398.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 112220220202001 its reverse (100202022022211), we get a palindrome (212422242224212).

The spelling of 112220220202001 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty million, two hundred two thousand, one".