111020320310020 has 96 divisors (see below), whose sum is σ = 269318810065536. Its totient is φ = 37993392076800.

The previous prime is 111020320310017. The next prime is 111020320310033. The reversal of 111020320310020 is 20013023020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020320309976 and 111020320310003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48744574 + ... + 50971306.

It is an arithmetic number, because the mean of its divisors is an integer number (2805404271516).

Almost surely, 2^{111020320310020} is an apocalyptic number.

111020320310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020320310020 is an abundant number, since it is smaller than the sum of its proper divisors (158298489755516).

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

111020320310020 is a wasteful number, since it uses less digits than its factorization.

111020320310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240101 (or 2240099 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020320310020 its reverse (20013023020111), we get a palindrome (131033343330131).

The spelling of 111020320310020 in words is "one hundred eleven trillion, twenty billion, three hundred twenty million, three hundred ten thousand, twenty".