12101122211222 has 96 divisors (see below), whose sum is σ = 21137152569120. Its totient is φ = 5151356559360.

The previous prime is 12101122211179. The next prime is 12101122211237. The reversal of 12101122211222 is 22211222110121.

It is a junction number, because it is equal to n+sod(n) for n = 12101122211194 and 12101122211203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116339654 + ... + 116443622.

It is an arithmetic number, because the mean of its divisors is an integer number (220178672595).

Almost surely, 2^{12101122211222} is an apocalyptic number.

12101122211222 is a deficient number, since it is larger than the sum of its proper divisors (9036030357898).

12101122211222 is a wasteful number, since it uses less digits than its factorization.

12101122211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104238 (or 104215 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12101122211222 its reverse (22211222110121), we get a palindrome (34312344321343).

The spelling of 12101122211222 in words is "twelve trillion, one hundred one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".