111121000032020 has 24 divisors (see below), whose sum is σ = 254568109164768. Its totient is φ = 40407636375200.

The previous prime is 111121000032019. The next prime is 111121000032047. The reversal of 111121000032020 is 20230000121111.

It is a junction number, because it is equal to n+sod(n) for n = 111121000031986 and 111121000032004.

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, 252547727126 + ... + 252547727565.

It is an arithmetic number, because the mean of its divisors is an integer number (10607004548532).

Almost surely, 2^{111121000032020} is an apocalyptic number.

111121000032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121000032020 is an abundant number, since it is smaller than the sum of its proper divisors (143447109132748).

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

111121000032020 is a wasteful number, since it uses less digits than its factorization.

111121000032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505095454711 (or 505095454709 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111121000032020 its reverse (20230000121111), we get a palindrome (131351000153131).

The spelling of 111121000032020 in words is "one hundred eleven trillion, one hundred twenty-one billion, thirty-two thousand, twenty".