220021221000102 has 32 divisors (see below), whose sum is σ = 441804732348672. Its totient is φ = 73046804474784.

The previous prime is 220021221000083. The next prime is 220021221000127. The reversal of 220021221000102 is 201000122120022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6241848 + ... + 21886139.

It is an arithmetic number, because the mean of its divisors is an integer number (13806397885896).

Almost surely, 2^{220021221000102} is an apocalyptic number.

220021221000102 is an abundant number, since it is smaller than the sum of its proper divisors (221783511348570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220021221000102 is a wasteful number, since it uses less digits than its factorization.

220021221000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28133212.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220021221000102 its reverse (201000122120022), we get a palindrome (421021343120124).

The spelling of 220021221000102 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-one million, one hundred two", and thus it is an aban number.