121101201444320 has 192 divisors, whose sum is σ = 313407170697600. Its totient is φ = 44014696857600.

The previous prime is 121101201444271. The next prime is 121101201444323. The reversal of 121101201444320 is 23444102101121.

It is a self number, because there is not a number n which added to its sum of digits gives 121101201444320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101201444323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886464020 + ... + 886600620.

It is an arithmetic number, because the mean of its divisors is an integer number (1632329014050).

Almost surely, 2^{121101201444320} is an apocalyptic number.

121101201444320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121101201444320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156703585348800).

121101201444320 is an abundant number, since it is smaller than the sum of its proper divisors (192305969253280).

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

121101201444320 is a wasteful number, since it uses less digits than its factorization.

121101201444320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147901 (or 147893 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 121101201444320 its reverse (23444102101121), we get a palindrome (144545303545441).

The spelling of 121101201444320 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred one million, four hundred forty-four thousand, three hundred twenty".