121103010000 has 600 divisors, whose sum is σ = 494020612800. Its totient is φ = 27673632000.

The previous prime is 121103009999. The next prime is 121103010019. The reversal of 121103010000 is 10301121.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 30868039 + ... + 30871961.

It is an arithmetic number, because the mean of its divisors is an integer number (823367688).

Almost surely, 2^121103010000 is an apocalyptic number.

121103010000 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 121103010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247010306400).

121103010000 is an abundant number, since it is smaller than the sum of its proper divisors (372917602800).

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

121103010000 is an equidigital number, since it uses as much as digits as its factorization.

121103010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 121103010000 its reverse (10301121), we get a palindrome (121113311121).

The spelling of 121103010000 in words is "one hundred twenty-one billion, one hundred three million, ten thousand".