121600110 has 32 divisors (see below), whose sum is σ = 292132512. Its totient is φ = 32394240.

The previous prime is 121600097. The next prime is 121600147. The reversal of 121600110 is 11006121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52170 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (9129141).

Almost surely, 2^121600110 is an apocalyptic number.

121600110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121600110 is an abundant number, since it is smaller than the sum of its proper divisors (170532402).

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

121600110 is a wasteful number, since it uses less digits than its factorization.

121600110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068.

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

The square root of 121600110 is about 11027.2439893203. The cubic root of 121600110 is about 495.4250812400.

Adding to 121600110 its reverse (11006121), we get a palindrome (132606231).

The spelling of 121600110 in words is "one hundred twenty-one million, six hundred thousand, one hundred ten".