12211121111022 has 24 divisors (see below), whose sum is σ = 26830068922800. Its totient is φ = 4013044496160.

The previous prime is 12211121110999. The next prime is 12211121111083. The reversal of 12211121111022 is 22011112111221.

It is a happy number.

It is a super-2 number, since 2×12211121111022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211121110986 and 12211121111004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4777432647 + ... + 4777435202.

It is an arithmetic number, because the mean of its divisors is an integer number (1117919538450).

Almost surely, 2^{12211121111022} is an apocalyptic number.

12211121111022 is an abundant number, since it is smaller than the sum of its proper divisors (14618947811778).

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

12211121111022 is a wasteful number, since it uses less digits than its factorization.

12211121111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554867928 (or 9554867925 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12211121111022 its reverse (22011112111221), we get a palindrome (34222233222243).

The spelling of 12211121111022 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".