121102001220000 has 480 divisors, whose sum is σ = 408089401739712. Its totient is φ = 31412247552000.

The previous prime is 121102001219999. The next prime is 121102001220017. The reversal of 121102001220000 is 22100201121.

121102001220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12558535179 + ... + 12558544821.

Almost surely, 2^{121102001220000} is an apocalyptic number.

121102001220000 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 121102001220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204044700869856).

121102001220000 is an abundant number, since it is smaller than the sum of its proper divisors (286987400519712).

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

121102001220000 is an equidigital number, since it uses as much as digits as its factorization.

121102001220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370 (or 15347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121102001220000 its reverse (22100201121), we get a palindrome (121124101421121).

The spelling of 121102001220000 in words is "one hundred twenty-one trillion, one hundred two billion, one million, two hundred twenty thousand".