111222102002022 has 64 divisors (see below), whose sum is σ = 271026381669120. Its totient is φ = 33529036838400.

The previous prime is 111222102002021. The next prime is 111222102002147. The reversal of 111222102002022 is 220200201222111.

It is a happy number.

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 = 111222102001986 and 111222102002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222102002021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484969804 + ... + 485199087.

It is an arithmetic number, because the mean of its divisors is an integer number (4234787213580).

Almost surely, 2^{111222102002022} is an apocalyptic number.

111222102002022 is an abundant number, since it is smaller than the sum of its proper divisors (159804279667098).

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

111222102002022 is a wasteful number, since it uses less digits than its factorization.

111222102002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970169106 (or 970169100 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111222102002022 its reverse (220200201222111), we get a palindrome (331422303224133).

The spelling of 111222102002022 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two thousand, twenty-two".