221143224032001 has 16 divisors (see below), whose sum is σ = 327671602776000. Its totient is φ = 147405410793504.

The previous prime is 221143224031967. The next prime is 221143224032051. The reversal of 221143224032001 is 100230422341122.

221143224032001 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 432 + 24 + 0 + 3 + 200 + 1 = 666.

It is not a de Polignac number, because 221143224032001 - 2⁹ = 221143224031489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (221143224032051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649971996 + ... + 650312141.

It is an arithmetic number, because the mean of its divisors is an integer number (20479475173500).

Almost surely, 2^{221143224032001} is an apocalyptic number.

It is an amenable number.

221143224032001 is a deficient number, since it is larger than the sum of its proper divisors (106528378743999).

221143224032001 is a wasteful number, since it uses less digits than its factorization.

221143224032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300290445 (or 1300290439 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221143224032001 its reverse (100230422341122), we get a palindrome (321373646373123).

The spelling of 221143224032001 in words is "two hundred twenty-one trillion, one hundred forty-three billion, two hundred twenty-four million, thirty-two thousand, one".