220012011010221 has 32 divisors (see below), whose sum is σ = 303996824921088. Its totient is φ = 141387977195520.

The previous prime is 220012011010213. The next prime is 220012011010237. The reversal of 220012011010221 is 122010110210022.

It is not a de Polignac number, because 220012011010221 - 2³ = 220012011010213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220012011010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012011010621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2279939845 + ... + 2280036341.

It is an arithmetic number, because the mean of its divisors is an integer number (9499900778784).

Almost surely, 2^{220012011010221} is an apocalyptic number.

It is an amenable number.

220012011010221 is a deficient number, since it is larger than the sum of its proper divisors (83984813910867).

220012011010221 is a wasteful number, since it uses less digits than its factorization.

220012011010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192181.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220012011010221 its reverse (122010110210022), we get a palindrome (342022121220243).

The spelling of 220012011010221 in words is "two hundred twenty trillion, twelve billion, eleven million, ten thousand, two hundred twenty-one".