221130112403 has 2 divisors, whose sum is σ = 221130112404. Its totient is φ = 221130112402.

The previous prime is 221130112391. The next prime is 221130112409. The reversal of 221130112403 is 304211031122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221130112403 - 2¹⁶ = 221130046867 is a prime.

It is a super-2 number, since 2×221130112403² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221130112409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110565056201 + 110565056202.

It is an arithmetic number, because the mean of its divisors is an integer number (110565056202).

Almost surely, 2^221130112403 is an apocalyptic number.

221130112403 is a deficient number, since it is larger than the sum of its proper divisors (1).

221130112403 is an equidigital number, since it uses as much as digits as its factorization.

221130112403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221130112403 its reverse (304211031122), we get a palindrome (525341143525).

The spelling of 221130112403 in words is "two hundred twenty-one billion, one hundred thirty million, one hundred twelve thousand, four hundred three".