10111120020020 has 24 divisors (see below), whose sum is σ = 22350896887200. Its totient is φ = 3831582323232.

The previous prime is 10111120019983. The next prime is 10111120020059. The reversal of 10111120020020 is 2002002111101.

It is a junction number, because it is equal to n+sod(n) for n = 10111120019983 and 10111120020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13304104910 + ... + 13304105669.

It is an arithmetic number, because the mean of its divisors is an integer number (931287370300).

Almost surely, 2^{10111120020020} is an apocalyptic number.

10111120020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111120020020 is an abundant number, since it is smaller than the sum of its proper divisors (12239776867180).

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

10111120020020 is a wasteful number, since it uses less digits than its factorization.

10111120020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26608210607 (or 26608210605 counting only the distinct ones).

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

Adding to 10111120020020 its reverse (2002002111101), we get a palindrome (12113122131121).

The spelling of 10111120020020 in words is "ten trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, twenty".