121424111124 has 96 divisors (see below), whose sum is σ = 304528404096. Its totient is φ = 37518888960.

The previous prime is 121424111113. The next prime is 121424111153. The reversal of 121424111124 is 421111424121.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121424111094 and 121424111103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11267859 + ... + 11278629.

It is an arithmetic number, because the mean of its divisors is an integer number (3172170876).

Almost surely, 2^121424111124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121424111124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152264202048).

121424111124 is an abundant number, since it is smaller than the sum of its proper divisors (183104292972).

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

121424111124 is a wasteful number, since it uses less digits than its factorization.

121424111124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625 (or 11623 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

Adding to 121424111124 its reverse (421111424121), we get a palindrome (542535535245).

The spelling of 121424111124 in words is "one hundred twenty-one billion, four hundred twenty-four million, one hundred eleven thousand, one hundred twenty-four".