222201222021013 has 2 divisors, whose sum is σ = 222201222021014. Its totient is φ = 222201222021012.

The previous prime is 222201222021001. The next prime is 222201222021061. The reversal of 222201222021013 is 310120222102222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154362311093169 + 67838910927844 = 12424263^2 + 8236438^2 .

It is a cyclic number.

It is not a de Polignac number, because 222201222021013 - 2²¹ = 222201219923861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222201222001013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100611010506 + 111100611010507.

It is an arithmetic number, because the mean of its divisors is an integer number (111100611010507).

Almost surely, 2^{222201222021013} is an apocalyptic number.

It is an amenable number.

222201222021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201222021013 is an equidigital number, since it uses as much as digits as its factorization.

222201222021013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222201222021013 its reverse (310120222102222), we get a palindrome (532321444123235).

The spelling of 222201222021013 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twenty-two million, twenty-one thousand, thirteen".