222100321013 has 2 divisors, whose sum is σ = 222100321014. Its totient is φ = 222100321012.

The previous prime is 222100320989. The next prime is 222100321049. The reversal of 222100321013 is 310123001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131045448004 + 91054873009 = 362002^2 + 301753^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100321013 - 2¹⁰ = 222100319989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222100320982 and 222100321000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050160506 + 111050160507.

It is an arithmetic number, because the mean of its divisors is an integer number (111050160507).

Almost surely, 2^222100321013 is an apocalyptic number.

It is an amenable number.

222100321013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100321013 is an equidigital number, since it uses as much as digits as its factorization.

222100321013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222100321013 its reverse (310123001222), we get a palindrome (532223322235).

The spelling of 222100321013 in words is "two hundred twenty-two billion, one hundred million, three hundred twenty-one thousand, thirteen".