220221011002 has 4 divisors (see below), whose sum is σ = 330331516506. Its totient is φ = 110110505500.

The previous prime is 220221010969. The next prime is 220221011009. The reversal of 220221011002 is 200110122022.

It is a happy number.

220221011002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 186288055321 + 33932955681 = 431611^2 + 184209^2 .

It is not an unprimeable number, because it can be changed into a prime (220221011009) by changing a digit.

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 as a sum of consecutive naturals, namely, 55055252749 + ... + 55055252752.

Almost surely, 2^220221011002 is an apocalyptic number.

220221011002 is a deficient number, since it is larger than the sum of its proper divisors (110110505504).

220221011002 is a wasteful number, since it uses less digits than its factorization.

220221011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110505503.

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

Adding to 220221011002 its reverse (200110122022), we get a palindrome (420331133024).

The spelling of 220221011002 in words is "two hundred twenty billion, two hundred twenty-one million, eleven thousand, two".