2221322103101 has 2 divisors, whose sum is σ = 2221322103102. Its totient is φ = 2221322103100.

The previous prime is 2221322103083. The next prime is 2221322103109. The reversal of 2221322103101 is 1013012231222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2207976077476 + 13346025625 = 1485926^2 + 115525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221322103101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221322103109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110661051550 + 1110661051551.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661051551).

Almost surely, 2^{2221322103101} is an apocalyptic number.

It is an amenable number.

2221322103101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221322103101 is an equidigital number, since it uses as much as digits as its factorization.

2221322103101 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 20.

Adding to 2221322103101 its reverse (1013012231222), we get a palindrome (3234334334323).

The spelling of 2221322103101 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-two million, one hundred three thousand, one hundred one".