111211020020022 has 32 divisors (see below), whose sum is σ = 239858210161248. Its totient is φ = 34172092187136.

The previous prime is 111211020020017. The next prime is 111211020020099. The reversal of 111211020020022 is 220020020112111.

It is a junction number, because it is equal to n+sod(n) for n = 111211020019983 and 111211020020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972509203 + ... + 972623550.

It is an arithmetic number, because the mean of its divisors is an integer number (7495569067539).

Almost surely, 2^{111211020020022} is an apocalyptic number.

111211020020022 is an abundant number, since it is smaller than the sum of its proper divisors (128647190141226).

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

111211020020022 is a wasteful number, since it uses less digits than its factorization.

111211020020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945133504.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111211020020022 its reverse (220020020112111), we get a palindrome (331231040132133).

The spelling of 111211020020022 in words is "one hundred eleven trillion, two hundred eleven billion, twenty million, twenty thousand, twenty-two".