221332113001 has 8 divisors (see below), whose sum is σ = 233125643520. Its totient is φ = 209553029712.

The previous prime is 221332112999. The next prime is 221332113007. The reversal of 221332113001 is 100311233122.

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

It is a cyclic number.

It is not a de Polignac number, because 221332113001 - 2¹ = 221332112999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221332113001.

It is not an unprimeable number, because it can be changed into a prime (221332113007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3580345 + ... + 3641638.

It is an arithmetic number, because the mean of its divisors is an integer number (29140705440).

Almost surely, 2^221332113001 is an apocalyptic number.

It is an amenable number.

221332113001 is a deficient number, since it is larger than the sum of its proper divisors (11793530519).

221332113001 is a wasteful number, since it uses less digits than its factorization.

221332113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223615.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221332113001 its reverse (100311233122), we get a palindrome (321643346123).

The spelling of 221332113001 in words is "two hundred twenty-one billion, three hundred thirty-two million, one hundred thirteen thousand, one".