240121130111441 has 4 divisors (see below), whose sum is σ = 240122170642800. Its totient is φ = 240120089580084.

The previous prime is 240121130111407. The next prime is 240121130111539. The reversal of 240121130111441 is 144111031121042.

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.

It is a cyclic number.

It is not a de Polignac number, because 240121130111441 - 2⁶ = 240121130111377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240121130111441.

It is not an unprimeable number, because it can be changed into a prime (240121130191441) 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, 519919451 + ... + 520381088.

It is an arithmetic number, because the mean of its divisors is an integer number (60030542660700).

Almost surely, 2^{240121130111441} is an apocalyptic number.

It is an amenable number.

240121130111441 is a deficient number, since it is larger than the sum of its proper divisors (1040531359).

240121130111441 is a wasteful number, since it uses less digits than its factorization.

240121130111441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040531358.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 240121130111441 its reverse (144111031121042), we get a palindrome (384232161232483).

The spelling of 240121130111441 in words is "two hundred forty trillion, one hundred twenty-one billion, one hundred thirty million, one hundred eleven thousand, four hundred forty-one".