121123020231424 has 18 divisors (see below), whose sum is σ = 241772903665580. Its totient is φ = 60561510115584.

The previous prime is 121123020231401. The next prime is 121123020231431. The reversal of 121123020231424 is 424132020321121.

121123020231424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121123020231424² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121123020231392 and 121123020231401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236568398634 + ... + 236568399145.

Almost surely, 2^{121123020231424} is an apocalyptic number.

It is an amenable number.

121123020231424 is a deficient number, since it is larger than the sum of its proper divisors (120649883434156).

121123020231424 is an frugal number, since it uses more digits than its factorization.

121123020231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473136797795 (or 473136797781 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121123020231424 its reverse (424132020321121), we get a palindrome (545255040552545).

The spelling of 121123020231424 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, twenty million, two hundred thirty-one thousand, four hundred twenty-four".