121100343343430 has 96 divisors (see below), whose sum is σ = 241998063410880. Its totient is φ = 43595569952000.

The previous prime is 121100343343367. The next prime is 121100343343433. The reversal of 121100343343430 is 34343343001121.

It is a happy number.

121100343343430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100343343433) 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, 1187708012 + ... + 1187809968.

It is an arithmetic number, because the mean of its divisors is an integer number (2520813160530).

Almost surely, 2^{121100343343430} is an apocalyptic number.

121100343343430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100343343430 is a deficient number, since it is larger than the sum of its proper divisors (120897720067450).

121100343343430 is a wasteful number, since it uses less digits than its factorization.

121100343343430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111806 (or 111795 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 121100343343430 its reverse (34343343001121), we get a palindrome (155443686344551).

The spelling of 121100343343430 in words is "one hundred twenty-one trillion, one hundred billion, three hundred forty-three million, three hundred forty-three thousand, four hundred thirty".