111110022020 has 24 divisors (see below), whose sum is σ = 234634579200. Its totient is φ = 44195716832.

The previous prime is 111110021993. The next prime is 111110022071. The reversal of 111110022020 is 20220011111.

It is a junction number, because it is equal to n+sod(n) for n = 111110021992 and 111110022010.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15514580 + ... + 15521739.

It is an arithmetic number, because the mean of its divisors is an integer number (9776440800).

Almost surely, 2^111110022020 is an apocalyptic number.

111110022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110022020 is an abundant number, since it is smaller than the sum of its proper divisors (123524557180).

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

111110022020 is a wasteful number, since it uses less digits than its factorization.

111110022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036507 (or 31036505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111110022020 its reverse (20220011111), we get a palindrome (131330033131).

The spelling of 111110022020 in words is "one hundred eleven billion, one hundred ten million, twenty-two thousand, twenty".