111322211020 has 48 divisors (see below), whose sum is σ = 237246766848. Its totient is φ = 43872030720.

The previous prime is 111322210981. The next prime is 111322211023. The reversal of 111322211020 is 20112223111.

It is a junction number, because it is equal to n+sod(n) for n = 111322210985 and 111322211003.

It is not an unprimeable number, because it can be changed into a prime (111322211023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303960 + ... + 561280.

It is an arithmetic number, because the mean of its divisors is an integer number (4942640976).

Almost surely, 2^111322211020 is an apocalyptic number.

111322211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111322211020 is an abundant number, since it is smaller than the sum of its proper divisors (125924555828).

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

111322211020 is a wasteful number, since it uses less digits than its factorization.

111322211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257650 (or 257648 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111322211020 its reverse (20112223111), we get a palindrome (131434434131).

The spelling of 111322211020 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred eleven thousand, twenty".