121110011222200 has 384 divisors, whose sum is σ = 378125918392320. Its totient is φ = 34839361843200.

The previous prime is 121110011222191. The next prime is 121110011222203. The reversal of 121110011222200 is 2222110011121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110011222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1372727289 + ... + 1372815511.

It is an arithmetic number, because the mean of its divisors is an integer number (984702912480).

Almost surely, 2^{121110011222200} is an apocalyptic number.

121110011222200 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 121110011222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189062959196160).

121110011222200 is an abundant number, since it is smaller than the sum of its proper divisors (257015907170120).

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

121110011222200 is a wasteful number, since it uses less digits than its factorization.

121110011222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95127 (or 95118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121110011222200 its reverse (2222110011121), we get a palindrome (123332121233321).

The spelling of 121110011222200 in words is "one hundred twenty-one trillion, one hundred ten billion, eleven million, two hundred twenty-two thousand, two hundred".