121115404300 has 72 divisors (see below), whose sum is σ = 286793644032. Its totient is φ = 44029608000.

The previous prime is 121115404283. The next prime is 121115404309. The reversal of 121115404300 is 3404511121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (121115404309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4508709 + ... + 4535491.

It is an arithmetic number, because the mean of its divisors is an integer number (3983245056).

Almost surely, 2^121115404300 is an apocalyptic number.

121115404300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121115404300 is an abundant number, since it is smaller than the sum of its proper divisors (165678239732).

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

121115404300 is a wasteful number, since it uses less digits than its factorization.

121115404300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30919 (or 30912 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121115404300 its reverse (3404511121), we get a palindrome (124519915421).

The spelling of 121115404300 in words is "one hundred twenty-one billion, one hundred fifteen million, four hundred four thousand, three hundred".