111103001302120 has 16 divisors (see below), whose sum is σ = 249981752929860. Its totient is φ = 44441200520832.

The previous prime is 111103001302087. The next prime is 111103001302121. The reversal of 111103001302120 is 21203100301111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109571194075876 + 1531807226244 = 10467626^2 + 1237662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111103001302094 and 111103001302103.

It is not an unprimeable number, because it can be changed into a prime (111103001302121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388787516237 + ... + 1388787516316.

Almost surely, 2^{111103001302120} is an apocalyptic number.

111103001302120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103001302120 is an abundant number, since it is smaller than the sum of its proper divisors (138878751627740).

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

111103001302120 is a wasteful number, since it uses less digits than its factorization.

111103001302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777575032564 (or 2777575032560 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111103001302120 its reverse (21203100301111), we get a palindrome (132306101603231).

The spelling of 111103001302120 in words is "one hundred eleven trillion, one hundred three billion, one million, three hundred two thousand, one hundred twenty".