121324443110 has 128 divisors (see below), whose sum is σ = 245401228800. Its totient is φ = 42921753600.

The previous prime is 121324443089. The next prime is 121324443113. The reversal of 121324443110 is 11344423121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 121324443110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121324443113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201232060 + ... + 1201232160.

It is an arithmetic number, because the mean of its divisors is an integer number (1917197100).

Almost surely, 2^121324443110 is an apocalyptic number.

121324443110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121324443110 is an abundant number, since it is smaller than the sum of its proper divisors (124076785690).

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

121324443110 is an equidigital number, since it uses as much as digits as its factorization.

121324443110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121324443110 its reverse (11344423121), we get a palindrome (132668866231).

The spelling of 121324443110 in words is "one hundred twenty-one billion, three hundred twenty-four million, four hundred forty-three thousand, one hundred ten".