220221112001 has 8 divisors (see below), whose sum is σ = 240266319744. Its totient is φ = 200180088720.

The previous prime is 220221111989. The next prime is 220221112061. The reversal of 220221112001 is 100211122022.

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 220221112001 - 2⁶ = 220221111937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220221112061) 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, 935561 + ... + 1147046.

It is an arithmetic number, because the mean of its divisors is an integer number (30033289968).

Almost surely, 2^220221112001 is an apocalyptic number.

It is an amenable number.

220221112001 is a deficient number, since it is larger than the sum of its proper divisors (20045207743).

220221112001 is a wasteful number, since it uses less digits than its factorization.

220221112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220221112001 its reverse (100211122022), we get a palindrome (320432234023).

The spelling of 220221112001 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, one".