121233404041 has 4 divisors (see below), whose sum is σ = 126504421632. Its totient is φ = 115962386452.

The previous prime is 121233404021. The next prime is 121233404069. The reversal of 121233404041 is 140404332121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140404332121 = 911 ⋅154121111.

It is a cyclic number.

It is not a de Polignac number, because 121233404041 - 2²⁵ = 121199849609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121233403997 and 121233404015.

It is not an unprimeable number, because it can be changed into a prime (121233404021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635508761 + ... + 2635508806.

It is an arithmetic number, because the mean of its divisors is an integer number (31626105408).

Almost surely, 2^121233404041 is an apocalyptic number.

It is an amenable number.

121233404041 is a deficient number, since it is larger than the sum of its proper divisors (5271017591).

121233404041 is an equidigital number, since it uses as much as digits as its factorization.

121233404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271017590.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121233404041 its reverse (140404332121), we get a palindrome (261637736162).

The spelling of 121233404041 in words is "one hundred twenty-one billion, two hundred thirty-three million, four hundred four thousand, forty-one".