121323243041 has 32 divisors (see below), whose sum is σ = 165189943296. Its totient is φ = 86036328000.

The previous prime is 121323243023. The next prime is 121323243047. The reversal of 121323243041 is 140342323121.

It is not a de Polignac number, because 121323243041 - 2²² = 121319048737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121323243041.

It is not an unprimeable number, because it can be changed into a prime (121323243047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782465 + ... + 924606.

It is an arithmetic number, because the mean of its divisors is an integer number (5162185728).

Almost surely, 2^121323243041 is an apocalyptic number.

121323243041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121323243041 is a deficient number, since it is larger than the sum of its proper divisors (43866700255).

121323243041 is a wasteful number, since it uses less digits than its factorization.

121323243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707173.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121323243041 its reverse (140342323121), we get a palindrome (261665566162).

The spelling of 121323243041 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred forty-three thousand, forty-one".