22222101222122 has 8 divisors (see below), whose sum is σ = 33334107507936. Its totient is φ = 11110732052812.

The previous prime is 22222101222091. The next prime is 22222101222151. The reversal of 22222101222122 is 22122210122222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159191918 + ... + 159331449.

It is an arithmetic number, because the mean of its divisors is an integer number (4166763438492).

Almost surely, 2^{22222101222122} is an apocalyptic number.

22222101222122 is a deficient number, since it is larger than the sum of its proper divisors (11112006285814).

22222101222122 is a wasteful number, since it uses less digits than its factorization.

22222101222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318558252.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22222101222122 its reverse (22122210122222), we get a palindrome (44344311344344).

The spelling of 22222101222122 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".