121152111107 has 8 divisors (see below), whose sum is σ = 128301507792. Its totient is φ = 114005248000.

The previous prime is 121152111079. The next prime is 121152111109. The reversal of 121152111107 is 701111251121.

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 121152111107 - 2²⁰ = 121151062531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121152111109) 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, 534494 + ... + 726627.

It is an arithmetic number, because the mean of its divisors is an integer number (16037688474).

Almost surely, 2^121152111107 is an apocalyptic number.

121152111107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121152111107 is a deficient number, since it is larger than the sum of its proper divisors (7149396685).

121152111107 is a wasteful number, since it uses less digits than its factorization.

121152111107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266789.

The product of its (nonzero) digits is 140, while the sum is 23.

Adding to 121152111107 its reverse (701111251121), we get a palindrome (822263362228).

The spelling of 121152111107 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred eleven thousand, one hundred seven".