221313142100403 has 6 divisors (see below), whose sum is σ = 319674538589484. Its totient is φ = 147542094733596.

The previous prime is 221313142100389. The next prime is 221313142100467. The reversal of 221313142100403 is 304001241313122.

221313142100403 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 13 + 142 + 100 + 403 = 666.

It is not a de Polignac number, because 221313142100403 - 2¹² = 221313142096307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221313142100003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12295174561125 + ... + 12295174561142.

It is an arithmetic number, because the mean of its divisors is an integer number (53279089764914).

Almost surely, 2^{221313142100403} is an apocalyptic number.

221313142100403 is a deficient number, since it is larger than the sum of its proper divisors (98361396489081).

221313142100403 is a wasteful number, since it uses less digits than its factorization.

221313142100403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590349122273 (or 24590349122270 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 221313142100403 its reverse (304001241313122), we get a palindrome (525314383413525).

The spelling of 221313142100403 in words is "two hundred twenty-one trillion, three hundred thirteen billion, one hundred forty-two million, one hundred thousand, four hundred three".