222002100111005 has 4 divisors (see below), whose sum is σ = 266402520133212. Its totient is φ = 177601680088800.

The previous prime is 222002100110993. The next prime is 222002100111013. The reversal of 222002100111005 is 500111001200222.

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 95707343358169 + 126294756752836 = 9783013^2 + 11238094^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222002100111005 is a prime.

It is a super-2 number, since 2×222002100111005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22200210011096 + ... + 22200210011105.

It is an arithmetic number, because the mean of its divisors is an integer number (66600630033303).

Almost surely, 2^{222002100111005} is an apocalyptic number.

It is an amenable number.

222002100111005 is a deficient number, since it is larger than the sum of its proper divisors (44400420022207).

222002100111005 is an equidigital number, since it uses as much as digits as its factorization.

222002100111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400420022206.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 222002100111005 its reverse (500111001200222), we get a palindrome (722113101311227).

The spelling of 222002100111005 in words is "two hundred twenty-two trillion, two billion, one hundred million, one hundred eleven thousand, five".