3111213101020 has 24 divisors (see below), whose sum is σ = 6758842255200. Its totient is φ = 1201571956032.

The previous prime is 3111213100987. The next prime is 3111213101081. The reversal of 3111213101020 is 201013121113.

It is a happy number.

3111213101020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3111213101020³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3111213100985 and 3111213101003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682079680 + ... + 2682080839.

It is an arithmetic number, because the mean of its divisors is an integer number (281618427300).

Almost surely, 2^{3111213101020} is an apocalyptic number.

It is an amenable number.

3111213101020 is an abundant number, since it is smaller than the sum of its proper divisors (3647629154180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111213101020 is a wasteful number, since it uses less digits than its factorization.

3111213101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364160557 (or 5364160555 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 3111213101020 its reverse (201013121113), we get a palindrome (3312226222133).

The spelling of 3111213101020 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, one hundred one thousand, twenty".