216622620103 has 2 divisors, whose sum is σ = 216622620104. Its totient is φ = 216622620102.

The previous prime is 216622620041. The next prime is 216622620119. The reversal of 216622620103 is 301026226612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216622620103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216622620803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108311310051 + 108311310052.

It is an arithmetic number, because the mean of its divisors is an integer number (108311310052).

Almost surely, 2^216622620103 is an apocalyptic number.

216622620103 is a deficient number, since it is larger than the sum of its proper divisors (1).

216622620103 is an equidigital number, since it uses as much as digits as its factorization.

216622620103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 216622620103 its reverse (301026226612), we get a palindrome (517648846715).

The spelling of 216622620103 in words is "two hundred sixteen billion, six hundred twenty-two million, six hundred twenty thousand, one hundred three".