121103579443 has 8 divisors (see below), whose sum is σ = 150986280960. Its totient is φ = 94366425480.

The previous prime is 121103579353. The next prime is 121103579479. The reversal of 121103579443 is 344975301121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121103579443 - 2²¹ = 121101482291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121103579396 and 121103579405.

It is not an unprimeable number, because it can be changed into a prime (121103571443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786386803 + ... + 786386956.

It is an arithmetic number, because the mean of its divisors is an integer number (18873285120).

Almost surely, 2^121103579443 is an apocalyptic number.

121103579443 is a deficient number, since it is larger than the sum of its proper divisors (29882701517).

121103579443 is a wasteful number, since it uses less digits than its factorization.

121103579443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572773777.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 121103579443 in words is "one hundred twenty-one billion, one hundred three million, five hundred seventy-nine thousand, four hundred forty-three".