221411640362373 has 6 divisors (see below), whose sum is σ = 319816813856774. Its totient is φ = 147607760241576.

The previous prime is 221411640362351. The next prime is 221411640362413. The reversal of 221411640362373 is 373263046114122.

221411640362373 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 1 + 1 + 6 + 403 + 6 + 237 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 151755223296609 + 69656417065764 = 12318897^2 + 8346042^2 .

It is not a de Polignac number, because 221411640362373 - 2⁶ = 221411640362309 is a prime.

It is a super-2 number, since 2×221411640362373² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411640360373) 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 in 5 ways as a sum of consecutive naturals, for example, 12300646686790 + ... + 12300646686807.

Almost surely, 2^{221411640362373} is an apocalyptic number.

It is an amenable number.

221411640362373 is a deficient number, since it is larger than the sum of its proper divisors (98405173494401).

221411640362373 is a wasteful number, since it uses less digits than its factorization.

221411640362373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24601293373603 (or 24601293373600 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

Adding to 221411640362373 its reverse (373263046114122), we get a palindrome (594674686476495).

The spelling of 221411640362373 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty million, three hundred sixty-two thousand, three hundred seventy-three".