121151101121 has 8 divisors (see below), whose sum is σ = 121311644544. Its totient is φ = 120990651760.

The previous prime is 121151101111. The next prime is 121151101151. The reversal of 121151101121 is 121101151121.

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 121151101121 - 2¹⁰ = 121151100097 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 121151101121.

It is not an unprimeable number, because it can be changed into a prime (121151101111) 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, 2769995 + ... + 2813391.

It is an arithmetic number, because the mean of its divisors is an integer number (15163955568).

Almost surely, 2^121151101121 is an apocalyptic number.

It is an amenable number.

121151101121 is a deficient number, since it is larger than the sum of its proper divisors (160543423).

121151101121 is a wasteful number, since it uses less digits than its factorization.

121151101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47031.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 121151101121 its reverse (121101151121), we get a palindrome (242252252242).

The spelling of 121151101121 in words is "one hundred twenty-one billion, one hundred fifty-one million, one hundred one thousand, one hundred twenty-one".