121113130211 has 16 divisors (see below), whose sum is σ = 123817209120. Its totient is φ = 118433172480.

The previous prime is 121113130169. The next prime is 121113130219. The reversal of 121113130211 is 112031311121.

It is a cyclic number.

It is not a de Polignac number, because 121113130211 - 2¹⁰ = 121113129187 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 121113130211.

It is not an unprimeable number, because it can be changed into a prime (121113130219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20389880 + ... + 20395818.

It is an arithmetic number, because the mean of its divisors is an integer number (7738575570).

Almost surely, 2^121113130211 is an apocalyptic number.

121113130211 is a deficient number, since it is larger than the sum of its proper divisors (2704078909).

121113130211 is a wasteful number, since it uses less digits than its factorization.

121113130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121113130211 its reverse (112031311121), we get a palindrome (233144441332).

The spelling of 121113130211 in words is "one hundred twenty-one billion, one hundred thirteen million, one hundred thirty thousand, two hundred eleven".