2121336321011 has 8 divisors (see below), whose sum is σ = 2235484855584. Its totient is φ = 2009014163200.

The previous prime is 2121336320989. The next prime is 2121336321031. The reversal of 2121336321011 is 1101236331212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121336321011 - 2²² = 2121332126707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121336321031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456591806 + ... + 456596451.

It is an arithmetic number, because the mean of its divisors is an integer number (279435606948).

Almost surely, 2^{2121336321011} is an apocalyptic number.

2121336321011 is a deficient number, since it is larger than the sum of its proper divisors (114148534573).

2121336321011 is a wasteful number, since it uses less digits than its factorization.

2121336321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913188381.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2121336321011 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-six million, three hundred twenty-one thousand, eleven".