111021012110120 has 32 divisors (see below), whose sum is σ = 285482602569600. Its totient is φ = 38064347009088.

The previous prime is 111021012110119. The next prime is 111021012110131. The reversal of 111021012110120 is 21011210120111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111021012110095 and 111021012110104.

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, 198251807060 + ... + 198251807619.

It is an arithmetic number, because the mean of its divisors is an integer number (8921331330300).

Almost surely, 2^{111021012110120} is an apocalyptic number.

111021012110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111021012110120 is an abundant number, since it is smaller than the sum of its proper divisors (174461590459480).

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

111021012110120 is a wasteful number, since it uses less digits than its factorization.

111021012110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396503614697 (or 396503614693 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111021012110120 its reverse (21011210120111), we get a palindrome (132032222230231).

The spelling of 111021012110120 in words is "one hundred eleven trillion, twenty-one billion, twelve million, one hundred ten thousand, one hundred twenty".