221131010032103 has 2 divisors, whose sum is σ = 221131010032104. Its totient is φ = 221131010032102.

The previous prime is 221131010032043. The next prime is 221131010032139. The reversal of 221131010032103 is 301230010131122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221131010032103 - 2⁶ = 221131010032039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221131010032193) 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, 110565505016051 + 110565505016052.

It is an arithmetic number, because the mean of its divisors is an integer number (110565505016052).

Almost surely, 2^{221131010032103} is an apocalyptic number.

221131010032103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221131010032103 is an equidigital number, since it uses as much as digits as its factorization.

221131010032103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 221131010032103 its reverse (301230010131122), we get a palindrome (522361020163225).

The spelling of 221131010032103 in words is "two hundred twenty-one trillion, one hundred thirty-one billion, ten million, thirty-two thousand, one hundred three".