12211102122 has 16 divisors (see below), whose sum is σ = 24822568992. Its totient is φ = 4003639920.

The previous prime is 12211102121. The next prime is 12211102129. The reversal of 12211102122 is 22120111221.

It is a super-2 number, since 2×12211102122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16681468 + ... + 16682199.

It is an arithmetic number, because the mean of its divisors is an integer number (1551410562).

Almost surely, 2^12211102122 is an apocalyptic number.

12211102122 is an abundant number, since it is smaller than the sum of its proper divisors (12611466870).

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

12211102122 is a wasteful number, since it uses less digits than its factorization.

12211102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33363733.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12211102122 its reverse (22120111221), we get a palindrome (34331213343).

Subtracting 12211102122 from its reverse (22120111221), we obtain a palindrome (9909009099).

The spelling of 12211102122 in words is "twelve billion, two hundred eleven million, one hundred two thousand, one hundred twenty-two".