121211011330011 has 6 divisors (see below), whose sum is σ = 175082571921140. Its totient is φ = 80807340886668.

The previous prime is 121211011330009. The next prime is 121211011330099. The reversal of 121211011330011 is 110033110112121.

121211011330011 is a `hidden beast` number, since 1 + 212 + 110 + 1 + 1 + 330 + 0 + 11 = 666.

It is not a de Polignac number, because 121211011330011 - 2¹ = 121211011330009 is a prime.

It is a super-2 number, since 2×121211011330011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121211011330001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6733945073881 + ... + 6733945073898.

Almost surely, 2^{121211011330011} is an apocalyptic number.

121211011330011 is a deficient number, since it is larger than the sum of its proper divisors (53871560591129).

121211011330011 is a wasteful number, since it uses less digits than its factorization.

121211011330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467890147785 (or 13467890147782 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121211011330011 its reverse (110033110112121), we get a palindrome (231244121442132).

The spelling of 121211011330011 in words is "one hundred twenty-one trillion, two hundred eleven billion, eleven million, three hundred thirty thousand, eleven".