220100112202221 has 12 divisors (see below), whose sum is σ = 318530266486848. Its totient is φ = 146452847121864.

The previous prime is 220100112202219. The next prime is 220100112202241. The reversal of 220100112202221 is 122202211001022.

It is a happy number.

220100112202221 is a `hidden beast` number, since 220 + 1 + 0 + 0 + 1 + 1 + 220 + 2 + 221 = 666.

It is not a de Polignac number, because 220100112202221 - 2¹ = 220100112202219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220100112202194 and 220100112202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100112202241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23380079445 + ... + 23380088858.

It is an arithmetic number, because the mean of its divisors is an integer number (26544188873904).

Almost surely, 2^{220100112202221} is an apocalyptic number.

It is an amenable number.

220100112202221 is a deficient number, since it is larger than the sum of its proper divisors (98430154284627).

220100112202221 is a wasteful number, since it uses less digits than its factorization.

220100112202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46760168832 (or 46760168829 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220100112202221 its reverse (122202211001022), we get a palindrome (342302323203243).

The spelling of 220100112202221 in words is "two hundred twenty trillion, one hundred billion, one hundred twelve million, two hundred two thousand, two hundred twenty-one".