121131313033311 has 24 divisors (see below), whose sum is σ = 200005814954400. Its totient is φ = 69203004224256.

The previous prime is 121131313033277. The next prime is 121131313033321. The reversal of 121131313033311 is 113330313131121.

121131313033311 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 3 + 1 + 313 + 0 + 33 + 311 = 666.

121131313033311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121131313033311 - 2¹¹ = 121131313031263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131313033321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206495590 + ... + 207081363.

It is an arithmetic number, because the mean of its divisors is an integer number (8333575623100).

Almost surely, 2^{121131313033311} is an apocalyptic number.

121131313033311 is a deficient number, since it is larger than the sum of its proper divisors (78874501921089).

121131313033311 is a wasteful number, since it uses less digits than its factorization.

121131313033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413581615 (or 413581612 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

Adding to 121131313033311 its reverse (113330313131121), we get a palindrome (234461626164432).

The spelling of 121131313033311 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred thirteen million, thirty-three thousand, three hundred eleven".