222001223312101 has 4 divisors (see below), whose sum is σ = 229656437909100. Its totient is φ = 214346008715104.

The previous prime is 222001223312027. The next prime is 222001223312111. The reversal of 222001223312101 is 101213322100222.

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 77913633996900 + 144087589315201 = 8826870^2 + 12003649^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001223312101 - 2²⁷ = 222001089094373 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 (222001223312111) 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, 3827607298456 + ... + 3827607298513.

It is an arithmetic number, because the mean of its divisors is an integer number (57414109477275).

Almost surely, 2^{222001223312101} is an apocalyptic number.

It is an amenable number.

222001223312101 is a deficient number, since it is larger than the sum of its proper divisors (7655214596999).

222001223312101 is an equidigital number, since it uses as much as digits as its factorization.

222001223312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655214596998.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 222001223312101 its reverse (101213322100222), we get a palindrome (323214545412323).

The spelling of 222001223312101 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-three million, three hundred twelve thousand, one hundred one".