121033334400 has 384 divisors, whose sum is σ = 446663108160. Its totient is φ = 28547481600.

The previous prime is 121033334399. The next prime is 121033334431. The reversal of 121033334400 is 4433330121.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3891712 + ... + 3922688.

Almost surely, 2^121033334400 is an apocalyptic number.

121033334400 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 121033334400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223331554080).

121033334400 is an abundant number, since it is smaller than the sum of its proper divisors (325629773760).

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

121033334400 is a wasteful number, since it uses less digits than its factorization.

121033334400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31052 (or 31035 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121033334400 its reverse (4433330121), we get a palindrome (125466664521).

The spelling of 121033334400 in words is "one hundred twenty-one billion, thirty-three million, three hundred thirty-four thousand, four hundred".