121123132110 has 160 divisors (see below), whose sum is σ = 353888409600. Its totient is φ = 29612329920.

The previous prime is 121123132103. The next prime is 121123132133. The reversal of 121123132110 is 11231321121.

121123132110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 350151 + ... + 604029.

It is an arithmetic number, because the mean of its divisors is an integer number (2211802560).

Almost surely, 2^121123132110 is an apocalyptic number.

121123132110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123132110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176944204800).

121123132110 is an abundant number, since it is smaller than the sum of its proper divisors (232765277490).

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

121123132110 is a wasteful number, since it uses less digits than its factorization.

121123132110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253948 (or 253939 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121123132110 its reverse (11231321121), we get a palindrome (132354453231).

The spelling of 121123132110 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred ten".