2220220321001 has 8 divisors (see below), whose sum is σ = 2355920920584. Its totient is φ = 2085086321920.

The previous prime is 2220220320979. The next prime is 2220220321019. The reversal of 2220220321001 is 1001230220222.

2220220321001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1025407365376 + 1194812955625 = 1012624^2 + 1093075^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220220321001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220220321021) 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, 141642050 + ... + 141657723.

It is an arithmetic number, because the mean of its divisors is an integer number (294490115073).

Almost surely, 2^{2220220321001} is an apocalyptic number.

It is an amenable number.

2220220321001 is a deficient number, since it is larger than the sum of its proper divisors (135700599583).

2220220321001 is a wasteful number, since it uses less digits than its factorization.

2220220321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283300251.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2220220321001 its reverse (1001230220222), we get a palindrome (3221450541223).

The spelling of 2220220321001 in words is "two trillion, two hundred twenty billion, two hundred twenty million, three hundred twenty-one thousand, one".