22011100211222 has 16 divisors (see below), whose sum is σ = 33099707818800. Its totient is φ = 10977871032480.

The previous prime is 22011100211197. The next prime is 22011100211311. The reversal of 22011100211222 is 22211200111022.

It is a super-3 number, since 3×22011100211222³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22011100211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841072 + ... + 8213292.

It is an arithmetic number, because the mean of its divisors is an integer number (2068731738675).

Almost surely, 2^{22011100211222} is an apocalyptic number.

22011100211222 is a deficient number, since it is larger than the sum of its proper divisors (11088607607578).

22011100211222 is a wasteful number, since it uses less digits than its factorization.

22011100211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380431.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22011100211222 its reverse (22211200111022), we get a palindrome (44222300322244).

The spelling of 22011100211222 in words is "twenty-two trillion, eleven billion, one hundred million, two hundred eleven thousand, two hundred twenty-two".