1201101322320 has 160 divisors (see below), whose sum is σ = 4380487309440. Its totient is φ = 301452871680.

The previous prime is 1201101322297. The next prime is 1201101322339. The reversal of 1201101322320 is 232231011021.

1201101322320 is a `hidden beast` number, since 1 + 20 + 1 + 1 + 0 + 1 + 322 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201101322293 and 1201101322302.

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, 16318146 + ... + 16391585.

It is an arithmetic number, because the mean of its divisors is an integer number (27378045684).

Almost surely, 2^{1201101322320} is an apocalyptic number.

1201101322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201101322320 is an abundant number, since it is smaller than the sum of its proper divisors (3179385987120).

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

1201101322320 is a wasteful number, since it uses less digits than its factorization.

1201101322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32709770 (or 32709758 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201101322320 its reverse (232231011021), we get a palindrome (1433332333341).

The spelling of 1201101322320 in words is "one trillion, two hundred one billion, one hundred one million, three hundred twenty-two thousand, three hundred twenty".