121130203311 has 48 divisors (see below), whose sum is σ = 189737766400. Its totient is φ = 74023709760.

The previous prime is 121130203307. The next prime is 121130203373. The reversal of 121130203311 is 113302031121.

121130203311 is a `hidden beast` number, since 1 + 21 + 130 + 203 + 311 = 666.

It is not a de Polignac number, because 121130203311 - 2² = 121130203307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130203811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12731046 + ... + 12740556.

Almost surely, 2^121130203311 is an apocalyptic number.

121130203311 is a deficient number, since it is larger than the sum of its proper divisors (68607563089).

121130203311 is a wasteful number, since it uses less digits than its factorization.

121130203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121130203311 its reverse (113302031121), we get a palindrome (234432234432).

The spelling of 121130203311 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred three thousand, three hundred eleven".