222121001101222 has 8 divisors (see below), whose sum is σ = 333182373150816. Its totient is φ = 111060210050952.

The previous prime is 222121001101217. The next prime is 222121001101229. The reversal of 222121001101222 is 222101100121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222121001101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121001101229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144292798 + ... + 145824049.

It is an arithmetic number, because the mean of its divisors is an integer number (41647796643852).

Almost surely, 2^{222121001101222} is an apocalyptic number.

222121001101222 is a deficient number, since it is larger than the sum of its proper divisors (111061372049594).

222121001101222 is a wasteful number, since it uses less digits than its factorization.

222121001101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290499662.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222121001101222 its reverse (222101100121222), we get a palindrome (444222101222444).

The spelling of 222121001101222 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, one hundred one thousand, two hundred twenty-two".