112121421124 has 24 divisors (see below), whose sum is σ = 199626394968. Its totient is φ = 55087127040.

The previous prime is 112121421089. The next prime is 112121421163. The reversal of 112121421124 is 421124121211.

It can be written as a sum of positive squares in 4 ways, for example, as 13576910400 + 98544510724 = 116520^2 + 313918^2 .

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 = 112121421095 and 112121421104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20364 + ... + 473980.

It is an arithmetic number, because the mean of its divisors is an integer number (8317766457).

Almost surely, 2^112121421124 is an apocalyptic number.

It is an amenable number.

112121421124 is a deficient number, since it is larger than the sum of its proper divisors (87504973844).

112121421124 is a wasteful number, since it uses less digits than its factorization.

112121421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454695 (or 454693 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Adding to 112121421124 its reverse (421124121211), we get a palindrome (533245542335).

The spelling of 112121421124 in words is "one hundred twelve billion, one hundred twenty-one million, four hundred twenty-one thousand, one hundred twenty-four".