221012210211103 has 2 divisors, whose sum is σ = 221012210211104. Its totient is φ = 221012210211102.

The previous prime is 221012210211041. The next prime is 221012210211119. The reversal of 221012210211103 is 301112012210122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221012210211103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221012210215103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110506105105551 + 110506105105552.

It is an arithmetic number, because the mean of its divisors is an integer number (110506105105552).

Almost surely, 2^{221012210211103} is an apocalyptic number.

221012210211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221012210211103 is an equidigital number, since it uses as much as digits as its factorization.

221012210211103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 221012210211103 its reverse (301112012210122), we get a palindrome (522124222421225).

The spelling of 221012210211103 in words is "two hundred twenty-one trillion, twelve billion, two hundred ten million, two hundred eleven thousand, one hundred three".