103222031221 has 2 divisors, whose sum is σ = 103222031222. Its totient is φ = 103222031220.

The previous prime is 103222031207. The next prime is 103222031243. The reversal of 103222031221 is 122130222301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100163388196 + 3058643025 = 316486^2 + 55305^2 .

It is a cyclic number.

It is not a de Polignac number, because 103222031221 - 2⁵ = 103222031189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103222031201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51611015610 + 51611015611.

It is an arithmetic number, because the mean of its divisors is an integer number (51611015611).

Almost surely, 2^103222031221 is an apocalyptic number.

It is an amenable number.

103222031221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103222031221 is an equidigital number, since it uses as much as digits as its factorization.

103222031221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103222031221 its reverse (122130222301), we get a palindrome (225352253522).

The spelling of 103222031221 in words is "one hundred three billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty-one".