222113210332221 has 48 divisors (see below), whose sum is σ = 350286749467200. Its totient is φ = 134800915735296.

The previous prime is 222113210332219. The next prime is 222113210332243. The reversal of 222113210332221 is 122233012311222.

222113210332221 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 1 + 321 + 0 + 332 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 222113210332221 - 2¹ = 222113210332219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113210332201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14573151 + ... + 25624268.

It is an arithmetic number, because the mean of its divisors is an integer number (7297640613900).

Almost surely, 2^{222113210332221} is an apocalyptic number.

It is an amenable number.

222113210332221 is a deficient number, since it is larger than the sum of its proper divisors (128173539134979).

222113210332221 is a wasteful number, since it uses less digits than its factorization.

222113210332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40198090 (or 40198087 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 222113210332221 its reverse (122233012311222), we get a palindrome (344346222643443).

The spelling of 222113210332221 in words is "two hundred twenty-two trillion, one hundred thirteen billion, two hundred ten million, three hundred thirty-two thousand, two hundred twenty-one".