12110211221022 has 24 divisors (see below), whose sum is σ = 26257178414376. Its totient is φ = 4033908237456.

The previous prime is 12110211220979. The next prime is 12110211221023. The reversal of 12110211221022 is 22012211201121.

12110211221022 is a `hidden beast` number, since 1 + 211 + 0 + 211 + 221 + 0 + 22 = 666.

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 = 12110211220986 and 12110211221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110211221023) 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 11 ways as a sum of consecutive naturals, for example, 235709953 + ... + 235761324.

It is an arithmetic number, because the mean of its divisors is an integer number (1094049100599).

Almost surely, 2^{12110211221022} is an apocalyptic number.

12110211221022 is an abundant number, since it is smaller than the sum of its proper divisors (14146967193354).

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

12110211221022 is a wasteful number, since it uses less digits than its factorization.

12110211221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471472712 (or 471472709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12110211221022 its reverse (22012211201121), we get a palindrome (34122422422143).

The spelling of 12110211221022 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, twenty-two".