120121220111200 has 144 divisors (see below), whose sum is σ = 365605313762304. Its totient is φ = 37440380275200.

The previous prime is 120121220111183. The next prime is 120121220111231. The reversal of 120121220111200 is 2111022121021.

120121220111200 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 (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 974948304 + ... + 975071503.

It is an arithmetic number, because the mean of its divisors is an integer number (2538925790016).

Almost surely, 2^{120121220111200} is an apocalyptic number.

120121220111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121220111200 is an abundant number, since it is smaller than the sum of its proper divisors (245484093651104).

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

120121220111200 is a wasteful number, since it uses less digits than its factorization.

120121220111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950019845 (or 1950019832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120121220111200 its reverse (2111022121021), we get a palindrome (122232242232221).

The spelling of 120121220111200 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty million, one hundred eleven thousand, two hundred".