122211011222222 has 48 divisors (see below), whose sum is σ = 198965553534288. Its totient is φ = 56273633245440.

The previous prime is 122211011222221. The next prime is 122211011222233. The reversal of 122211011222222 is 222222110112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211011222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296703197 + ... + 297114807.

It is an arithmetic number, because the mean of its divisors is an integer number (4145115698631).

Almost surely, 2^{122211011222222} is an apocalyptic number.

122211011222222 is a deficient number, since it is larger than the sum of its proper divisors (76754542312066).

122211011222222 is a wasteful number, since it uses less digits than its factorization.

122211011222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413685 (or 413672 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122211011222222 its reverse (222222110112221), we get a palindrome (344433121334443).

The spelling of 122211011222222 in words is "one hundred twenty-two trillion, two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".