222021313013 has 2 divisors, whose sum is σ = 222021313014. Its totient is φ = 222021313012.

The previous prime is 222021312991. The next prime is 222021313067. The reversal of 222021313013 is 310313120222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127122197764 + 94899115249 = 356542^2 + 308057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222021313013 is a prime.

It is a super-4 number, since 4×222021313013⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222321313013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010656506 + 111010656507.

It is an arithmetic number, because the mean of its divisors is an integer number (111010656507).

Almost surely, 2^222021313013 is an apocalyptic number.

It is an amenable number.

222021313013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021313013 is an equidigital number, since it uses as much as digits as its factorization.

222021313013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 222021313013 its reverse (310313120222), we get a palindrome (532334433235).

The spelling of 222021313013 in words is "two hundred twenty-two billion, twenty-one million, three hundred thirteen thousand, thirteen".