220010100010221 has 16 divisors (see below), whose sum is σ = 299034996998400. Its totient is φ = 143832141360960.

The previous prime is 220010100010171. The next prime is 220010100010223. The reversal of 220010100010221 is 122010001010022.

It is not a de Polignac number, because 220010100010221 - 2³⁸ = 219735222103277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220010100010197 and 220010100010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010100010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354669925 + ... + 355289706.

It is an arithmetic number, because the mean of its divisors is an integer number (18689687312400).

Almost surely, 2^{220010100010221} is an apocalyptic number.

It is an amenable number.

220010100010221 is a deficient number, since it is larger than the sum of its proper divisors (79024896988179).

220010100010221 is a wasteful number, since it uses less digits than its factorization.

220010100010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709961636.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220010100010221 its reverse (122010001010022), we get a palindrome (342020101020243).

The spelling of 220010100010221 in words is "two hundred twenty trillion, ten billion, one hundred million, ten thousand, two hundred twenty-one".