121114441441 has 4 divisors (see below), whose sum is σ = 138416504512. Its totient is φ = 103812378372.

The previous prime is 121114441411. The next prime is 121114441501. The reversal of 121114441441 is 144144411121.

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 121114441441 - 2⁷ = 121114441313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121114441411) 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, 8651031525 + ... + 8651031538.

It is an arithmetic number, because the mean of its divisors is an integer number (34604126128).

Almost surely, 2^121114441441 is an apocalyptic number.

It is an amenable number.

121114441441 is a deficient number, since it is larger than the sum of its proper divisors (17302063071).

121114441441 is an equidigital number, since it uses as much as digits as its factorization.

121114441441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17302063070.

The product of its digits is 2048, while the sum is 28.

Adding to 121114441441 its reverse (144144411121), we get a palindrome (265258852562).

The spelling of 121114441441 in words is "one hundred twenty-one billion, one hundred fourteen million, four hundred forty-one thousand, four hundred forty-one".