222021302222113 has 4 divisors (see below), whose sum is σ = 222289120440340. Its totient is φ = 221753484003888.

The previous prime is 222021302222087. The next prime is 222021302222131. The reversal of 222021302222113 is 311222203120222.

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 155696191597584 + 66325110624529 = 12477828^2 + 8144023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222021302222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222021302222143) 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, 133909107870 + ... + 133909109527.

It is an arithmetic number, because the mean of its divisors is an integer number (55572280110085).

Almost surely, 2^{222021302222113} is an apocalyptic number.

It is an amenable number.

222021302222113 is a deficient number, since it is larger than the sum of its proper divisors (267818218227).

222021302222113 is an equidigital number, since it uses as much as digits as its factorization.

222021302222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267818218226.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222021302222113 its reverse (311222203120222), we get a palindrome (533243505342335).

The spelling of 222021302222113 in words is "two hundred twenty-two trillion, twenty-one billion, three hundred two million, two hundred twenty-two thousand, one hundred thirteen".