113321230121000 has 256 divisors, whose sum is σ = 306349614155520. Its totient is φ = 38776765440000.

The previous prime is 113321230120997. The next prime is 113321230121023. The reversal of 113321230121000 is 121032123311.

It is a happy number.

It is a super-2 number, since 2×113321230121000² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1099695479 + ... + 1099798521.

It is an arithmetic number, because the mean of its divisors is an integer number (1196678180295).

Almost surely, 2^{113321230121000} is an apocalyptic number.

113321230121000 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 113321230121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153174807077760).

113321230121000 is an abundant number, since it is smaller than the sum of its proper divisors (193028384034520).

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

113321230121000 is a wasteful number, since it uses less digits than its factorization.

113321230121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108973 (or 108959 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113321230121000 its reverse (121032123311), we get a palindrome (113442262244311).

The spelling of 113321230121000 in words is "one hundred thirteen trillion, three hundred twenty-one billion, two hundred thirty million, one hundred twenty-one thousand".