11112111221022 has 24 divisors (see below), whose sum is σ = 27515703976176. Its totient is φ = 3174888920256.

The previous prime is 11112111221021. The next prime is 11112111221083. The reversal of 11112111221022 is 22012211121111.

It is a happy number.

11112111221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11112111220986 and 11112111221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112111221021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44095679323 + ... + 44095679574.

It is an arithmetic number, because the mean of its divisors is an integer number (1146487665674).

Almost surely, 2^{11112111221022} is an apocalyptic number.

11112111221022 is an abundant number, since it is smaller than the sum of its proper divisors (16403592755154).

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

11112111221022 is a wasteful number, since it uses less digits than its factorization.

11112111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88191358912 (or 88191358909 counting only the distinct ones).

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

Adding to 11112111221022 its reverse (22012211121111), we get a palindrome (33124322342133).

The spelling of 11112111221022 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".