100111343020 has 48 divisors (see below), whose sum is σ = 226498658400. Its totient is φ = 36949003776.

The previous prime is 100111343009. The next prime is 100111343071. The reversal of 100111343020 is 20343111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111342985 and 100111343003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565131 + ... + 720829.

It is an arithmetic number, because the mean of its divisors is an integer number (4718722050).

Almost surely, 2^100111343020 is an apocalyptic number.

100111343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111343020 is an abundant number, since it is smaller than the sum of its proper divisors (126387315380).

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

100111343020 is a wasteful number, since it uses less digits than its factorization.

100111343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158194 (or 158192 counting only the distinct ones).

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

Adding to 100111343020 its reverse (20343111001), we get a palindrome (120454454021).

The spelling of 100111343020 in words is "one hundred billion, one hundred eleven million, three hundred forty-three thousand, twenty".