6121104660011 has 4 divisors (see below), whose sum is σ = 6677568720024. Its totient is φ = 5564640600000.

The previous prime is 6121104659981. The next prime is 6121104660113. The reversal of 6121104660011 is 1100664011216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6121104660011 - 2¹⁴ = 6121104643627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121104662011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278232029990 + ... + 278232030011.

It is an arithmetic number, because the mean of its divisors is an integer number (1669392180006).

Almost surely, 2^{6121104660011} is an apocalyptic number.

6121104660011 is a deficient number, since it is larger than the sum of its proper divisors (556464060013).

6121104660011 is a wasteful number, since it uses less digits than its factorization.

6121104660011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556464060012.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 6121104660011 its reverse (1100664011216), we get a palindrome (7221768671227).

The spelling of 6121104660011 in words is "six trillion, one hundred twenty-one billion, one hundred four million, six hundred sixty thousand, eleven".