121434040110 has 48 divisors (see below), whose sum is σ = 309593796336. Its totient is φ = 30477560832.

The previous prime is 121434040051. The next prime is 121434040159. The reversal of 121434040110 is 11040434121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6994447 + ... + 7011786.

It is an arithmetic number, because the mean of its divisors is an integer number (6449870757).

Almost surely, 2^121434040110 is an apocalyptic number.

121434040110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121434040110 is an abundant number, since it is smaller than the sum of its proper divisors (188159756226).

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

121434040110 is a wasteful number, since it uses less digits than its factorization.

121434040110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14006277 (or 14006260 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121434040110 its reverse (11040434121), we get a palindrome (132474474231).

The spelling of 121434040110 in words is "one hundred twenty-one billion, four hundred thirty-four million, forty thousand, one hundred ten".