121054321113 has 32 divisors (see below), whose sum is σ = 178081612800. Its totient is φ = 72534191040.

The previous prime is 121054321093. The next prime is 121054321181. The reversal of 121054321113 is 311123450121.

It is not a de Polignac number, because 121054321113 - 2⁶ = 121054321049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121054321513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054538 + ... + 2112636.

It is an arithmetic number, because the mean of its divisors is an integer number (5565050400).

Almost surely, 2^121054321113 is an apocalyptic number.

It is an amenable number.

121054321113 is a deficient number, since it is larger than the sum of its proper divisors (57027291687).

121054321113 is a wasteful number, since it uses less digits than its factorization.

121054321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58829.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 121054321113 its reverse (311123450121), we get a palindrome (432177771234).

The spelling of 121054321113 in words is "one hundred twenty-one billion, fifty-four million, three hundred twenty-one thousand, one hundred thirteen".