111022021200120 has 128 divisors (see below), whose sum is σ = 334046571264000. Its totient is φ = 29518801597440.

The previous prime is 111022021200119. The next prime is 111022021200149. The reversal of 111022021200120 is 21002120220111.

111022021200120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111022021200120.

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, 82550421 + ... + 83884539.

It is an arithmetic number, because the mean of its divisors is an integer number (2609738838000).

Almost surely, 2^{111022021200120} is an apocalyptic number.

111022021200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111022021200120 is an abundant number, since it is smaller than the sum of its proper divisors (223024550063880).

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

111022021200120 is a wasteful number, since it uses less digits than its factorization.

111022021200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336173 (or 1336169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022021200120 its reverse (21002120220111), we get a palindrome (132024141420231).

The spelling of 111022021200120 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty".