20121104376711 has 48 divisors (see below), whose sum is σ = 32153001593440. Its totient is φ = 12044725090560.

The previous prime is 20121104376697. The next prime is 20121104376719. The reversal of 20121104376711 is 11767340112102.

20121104376711 is a `hidden beast` number, since 2 + 0 + 1 + 211 + 0 + 4 + 376 + 71 + 1 = 666.

It is not a de Polignac number, because 20121104376711 - 2⁶ = 20121104376647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121104376719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17900460 + ... + 18991278.

Almost surely, 2^{20121104376711} is an apocalyptic number.

20121104376711 is a deficient number, since it is larger than the sum of its proper divisors (12031897216729).

20121104376711 is a wasteful number, since it uses less digits than its factorization.

20121104376711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095136 (or 1095133 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

Adding to 20121104376711 its reverse (11767340112102), we get a palindrome (31888444488813).

The spelling of 20121104376711 in words is "twenty trillion, one hundred twenty-one billion, one hundred four million, three hundred seventy-six thousand, seven hundred eleven".