222101220021222 has 32 divisors (see below), whose sum is σ = 450460636093440. Its totient is φ = 72990715775040.

The previous prime is 222101220021221. The next prime is 222101220021281. The reversal of 222101220021222 is 222120022101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101220021221) 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, 120784179 + ... + 122609217.

It is an arithmetic number, because the mean of its divisors is an integer number (14076894877920).

Almost surely, 2^{222101220021222} is an apocalyptic number.

222101220021222 is an abundant number, since it is smaller than the sum of its proper divisors (228359416072218).

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

222101220021222 is a wasteful number, since it uses less digits than its factorization.

222101220021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110788.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222101220021222 its reverse (222120022101222), we get a palindrome (444221242122444).

The spelling of 222101220021222 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, twenty-one thousand, two hundred twenty-two".