221412432102530 has 8 divisors (see below), whose sum is σ = 398542377784572. Its totient is φ = 88564972841008.

The previous prime is 221412432102529. The next prime is 221412432102551. The reversal of 221412432102530 is 35201234214122.

It can be written as a sum of positive squares in 2 ways, for example, as 221236798188961 + 175633913569 = 14874031^2 + 419087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11070621605117 + ... + 11070621605136.

Almost surely, 2^{221412432102530} is an apocalyptic number.

221412432102530 is a deficient number, since it is larger than the sum of its proper divisors (177129945682042).

221412432102530 is a wasteful number, since it uses less digits than its factorization.

221412432102530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22141243210260.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 221412432102530 its reverse (35201234214122), we get a palindrome (256613666316652).

The spelling of 221412432102530 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred thirty-two million, one hundred two thousand, five hundred thirty".