121043141144 has 8 divisors (see below), whose sum is σ = 226955889660. Its totient is φ = 60521570568.

The previous prime is 121043141143. The next prime is 121043141161. The reversal of 121043141144 is 441141340121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121043141143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565196314 + ... + 7565196329.

Almost surely, 2^121043141144 is an apocalyptic number.

It is an amenable number.

121043141144 is a deficient number, since it is larger than the sum of its proper divisors (105912748516).

121043141144 is a wasteful number, since it uses less digits than its factorization.

121043141144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130392649 (or 15130392645 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 121043141144 its reverse (441141340121), we get a palindrome (562184481265).

The spelling of 121043141144 in words is "one hundred twenty-one billion, forty-three million, one hundred forty-one thousand, one hundred forty-four".