221321102103107 has 2 divisors, whose sum is σ = 221321102103108. Its totient is φ = 221321102103106.

The previous prime is 221321102103097. The next prime is 221321102103131. The reversal of 221321102103107 is 701301201123122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221321102103107 - 2⁸ = 221321102102851 is a prime.

It is a super-2 number, since 2×221321102103107² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221321192103107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110660551051553 + 110660551051554.

It is an arithmetic number, because the mean of its divisors is an integer number (110660551051554).

Almost surely, 2^{221321102103107} is an apocalyptic number.

221321102103107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221321102103107 is an equidigital number, since it uses as much as digits as its factorization.

221321102103107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 221321102103107 its reverse (701301201123122), we get a palindrome (922622303226229).

The spelling of 221321102103107 in words is "two hundred twenty-one trillion, three hundred twenty-one billion, one hundred two million, one hundred three thousand, one hundred seven".