120111011322320 has 80 divisors (see below), whose sum is σ = 287124882831360. Its totient is φ = 46699627852800.

The previous prime is 120111011322301. The next prime is 120111011322347. The reversal of 120111011322320 is 23223110111021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120111011322292 and 120111011322301.

It is a congruent number.

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, 66674240 + ... + 68451999.

It is an arithmetic number, because the mean of its divisors is an integer number (3589061035392).

Almost surely, 2^{120111011322320} is an apocalyptic number.

120111011322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111011322320 is an abundant number, since it is smaller than the sum of its proper divisors (167013871509040).

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

120111011322320 is a wasteful number, since it uses less digits than its factorization.

120111011322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135126564 (or 135126558 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120111011322320 its reverse (23223110111021), we get a palindrome (143334121433341).

The spelling of 120111011322320 in words is "one hundred twenty trillion, one hundred eleven billion, eleven million, three hundred twenty-two thousand, three hundred twenty".