220122001001 has 8 divisors (see below), whose sum is σ = 251573528064. Its totient is φ = 188671855680.

The previous prime is 220122000961. The next prime is 220122001003. The reversal of 220122001001 is 100100221022.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-220122001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122001003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22001 + ... + 663873.

It is an arithmetic number, because the mean of its divisors is an integer number (31446691008).

Almost surely, 2^220122001001 is an apocalyptic number.

It is an amenable number.

220122001001 is a deficient number, since it is larger than the sum of its proper divisors (31451527063).

220122001001 is an equidigital number, since it uses as much as digits as its factorization.

220122001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690871.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220122001001 its reverse (100100221022), we get a palindrome (320222222023).

The spelling of 220122001001 in words is "two hundred twenty billion, one hundred twenty-two million, one thousand, one".