2121130133311 has 32 divisors (see below), whose sum is σ = 2721559426560. Its totient is φ = 1609269451776.

The previous prime is 2121130133303. The next prime is 2121130133321. The reversal of 2121130133311 is 1133310311212.

It is not a de Polignac number, because 2121130133311 - 2³ = 2121130133303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121130133321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3114105 + ... + 3733618.

It is an arithmetic number, because the mean of its divisors is an integer number (85048732080).

Almost surely, 2^{2121130133311} is an apocalyptic number.

2121130133311 is a deficient number, since it is larger than the sum of its proper divisors (600429293249).

2121130133311 is a wasteful number, since it uses less digits than its factorization.

2121130133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847903.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2121130133311 its reverse (1133310311212), we get a palindrome (3254440444523).

The spelling of 2121130133311 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, three hundred eleven".