121112431043 has 8 divisors (see below), whose sum is σ = 121526679456. Its totient is φ = 120698872000.

The previous prime is 121112431031. The next prime is 121112431087. The reversal of 121112431043 is 340134211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121112431043 - 2⁸ = 121112430787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112631043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180863 + ... + 524343.

It is an arithmetic number, because the mean of its divisors is an integer number (15190834932).

Almost surely, 2^121112431043 is an apocalyptic number.

121112431043 is a deficient number, since it is larger than the sum of its proper divisors (414248413).

121112431043 is an equidigital number, since it uses as much as digits as its factorization.

121112431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344685.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121112431043 its reverse (340134211121), we get a palindrome (461246642164).

The spelling of 121112431043 in words is "one hundred twenty-one billion, one hundred twelve million, four hundred thirty-one thousand, forty-three".