2121330301311 has 16 divisors (see below), whose sum is σ = 3047141462400. Its totient is φ = 1304950293600.

The previous prime is 2121330301309. The next prime is 2121330301367. The reversal of 2121330301311 is 1131030331212.

It is a happy number.

It is not a de Polignac number, because 2121330301311 - 2¹ = 2121330301309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121330301711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9971265 + ... + 10181786.

It is an arithmetic number, because the mean of its divisors is an integer number (190446341400).

Almost surely, 2^{2121330301311} is an apocalyptic number.

2121330301311 is a deficient number, since it is larger than the sum of its proper divisors (925811161089).

2121330301311 is a wasteful number, since it uses less digits than its factorization.

2121330301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155766.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2121330301311 its reverse (1131030331212), we get a palindrome (3252360632523).

The spelling of 2121330301311 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, three hundred one thousand, three hundred eleven".