3111200330021 has 16 divisors (see below), whose sum is σ = 3638422892544. Its totient is φ = 2604671690544.

The previous prime is 3111200330011. The next prime is 3111200330083. The reversal of 3111200330021 is 1200330021113.

3111200330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3111200330021 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 (3111200330011) 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, 21788360 + ... + 21930686.

It is an arithmetic number, because the mean of its divisors is an integer number (227401430784).

Almost surely, 2^{3111200330021} is an apocalyptic number.

It is an amenable number.

3111200330021 is a deficient number, since it is larger than the sum of its proper divisors (527222562523).

3111200330021 is a wasteful number, since it uses less digits than its factorization.

3111200330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215000.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 3111200330021 its reverse (1200330021113), we get a palindrome (4311530351134).

The spelling of 3111200330021 in words is "three trillion, one hundred eleven billion, two hundred million, three hundred thirty thousand, twenty-one".