111232100100020 has 96 divisors (see below), whose sum is σ = 248381993534976. Its totient is φ = 41787620582400.

The previous prime is 111232100100019. The next prime is 111232100100091. The reversal of 111232100100020 is 20001001232111.

It is a junction number, because it is equal to n+sod(n) for n = 111232100099968 and 111232100100004.

It is a congruent number.

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, 21306002 + ... + 26007881.

It is an arithmetic number, because the mean of its divisors is an integer number (2587312432656).

Almost surely, 2^{111232100100020} is an apocalyptic number.

111232100100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232100100020 is an abundant number, since it is smaller than the sum of its proper divisors (137149893434956).

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

111232100100020 is a wasteful number, since it uses less digits than its factorization.

111232100100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47314041 (or 47314039 counting only the distinct ones).

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

Adding to 111232100100020 its reverse (20001001232111), we get a palindrome (131233101332131).

The spelling of 111232100100020 in words is "one hundred eleven trillion, two hundred thirty-two billion, one hundred million, one hundred thousand, twenty".