121100322200000 has 1344 divisors, whose sum is σ = 376150940798976. Its totient is φ = 38044723200000.

The previous prime is 121100322199897. The next prime is 121100322200003. The reversal of 121100322200000 is 2223001121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100322200003) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30916598042 + ... + 30916601958.

It is an arithmetic number, because the mean of its divisors is an integer number (279874211904).

Almost surely, 2^{121100322200000} is an apocalyptic number.

121100322200000 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 121100322200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188075470399488).

121100322200000 is an abundant number, since it is smaller than the sum of its proper divisors (255050618598976).

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

121100322200000 is a wasteful number, since it uses less digits than its factorization.

121100322200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121100322200000 its reverse (2223001121), we get a palindrome (121102545201121).

The spelling of 121100322200000 in words is "one hundred twenty-one trillion, one hundred billion, three hundred twenty-two million, two hundred thousand".