220101221002 has 8 divisors (see below), whose sum is σ = 355548126276. Its totient is φ = 101585178912.

The previous prime is 220101220949. The next prime is 220101221023. The reversal of 220101221002 is 200122101022.

It is a happy number.

220101221002 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 2 ways, for example, as 219988202841 + 113018161 = 469029^2 + 10631^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232715763 + ... + 4232715814.

Almost surely, 2^220101221002 is an apocalyptic number.

220101221002 is a deficient number, since it is larger than the sum of its proper divisors (135446905274).

220101221002 is a wasteful number, since it uses less digits than its factorization.

220101221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465431592.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220101221002 its reverse (200122101022), we get a palindrome (420223322024).

The spelling of 220101221002 in words is "two hundred twenty billion, one hundred one million, two hundred twenty-one thousand, two".