113212221550500 has 192 divisors, whose sum is σ = 330405540192000. Its totient is φ = 30122960256000.

The previous prime is 113212221550481. The next prime is 113212221550513. The reversal of 113212221550500 is 5055122212311.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4222275094 + ... + 4222301906.

It is an arithmetic number, because the mean of its divisors is an integer number (1720862188500).

Almost surely, 2^{113212221550500} is an apocalyptic number.

113212221550500 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 113212221550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165202770096000).

113212221550500 is an abundant number, since it is smaller than the sum of its proper divisors (217193318641500).

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

113212221550500 is a wasteful number, since it uses less digits than its factorization.

113212221550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32975 (or 32963 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 113212221550500 its reverse (5055122212311), we get a palindrome (118267343762811).

The spelling of 113212221550500 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-one million, five hundred fifty thousand, five hundred".