2103212313011 has 16 divisors (see below), whose sum is σ = 2120306997600. Its totient is φ = 2086177927680.

The previous prime is 2103212312983. The next prime is 2103212313023. The reversal of 2103212313011 is 1103132123012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2103212313011 - 2³⁴ = 2086032443827 is a prime.

It is a super-2 number, since 2×2103212313011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103212313031) 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, 366346601 + ... + 366352341.

It is an arithmetic number, because the mean of its divisors is an integer number (132519187350).

Almost surely, 2^{2103212313011} is an apocalyptic number.

2103212313011 is a deficient number, since it is larger than the sum of its proper divisors (17094684589).

2103212313011 is a wasteful number, since it uses less digits than its factorization.

2103212313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2103212313011 its reverse (1103132123012), we get a palindrome (3206344436023).

The spelling of 2103212313011 in words is "two trillion, one hundred three billion, two hundred twelve million, three hundred thirteen thousand, eleven".