121113233300 has 144 divisors (see below), whose sum is σ = 284490958080. Its totient is φ = 44603136000.

The previous prime is 121113233291. The next prime is 121113233309. The reversal of 121113233300 is 3332311121.

It is an interprime number because it is at equal distance from previous prime (121113233291) and next prime (121113233309).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113233309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21108032 + ... + 21113768.

Almost surely, 2^121113233300 is an apocalyptic number.

121113233300 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 121113233300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142245479040).

121113233300 is an abundant number, since it is smaller than the sum of its proper divisors (163377724780).

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

121113233300 is a wasteful number, since it uses less digits than its factorization.

121113233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082 (or 6075 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121113233300 its reverse (3332311121), we get a palindrome (124445544421).

The spelling of 121113233300 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred thirty-three thousand, three hundred".