12211222011022 has 8 divisors (see below), whose sum is σ = 18317281169736. Its totient is φ = 6105461621112.

The previous prime is 12211222010993. The next prime is 12211222011031. The reversal of 12211222011022 is 22011022211221.

12211222011022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211222011022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74589993 + ... + 74753524.

It is an arithmetic number, because the mean of its divisors is an integer number (2289660146217).

Almost surely, 2^{12211222011022} is an apocalyptic number.

12211222011022 is a deficient number, since it is larger than the sum of its proper divisors (6106059158714).

12211222011022 is a wasteful number, since it uses less digits than its factorization.

12211222011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149384402.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12211222011022 its reverse (22011022211221), we get a palindrome (34222244222243).

The spelling of 12211222011022 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-two million, eleven thousand, twenty-two".