3113211020112 has 120 divisors (see below), whose sum is σ = 9066199038624. Its totient is φ = 1034194863744.

The previous prime is 3113211020111. The next prime is 3113211020123. The reversal of 3113211020112 is 2110201123113.

3113211020112 is a `hidden beast` number, since 311 + 32 + 110 + 201 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113211020111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227238 + ... + 2505605.

Almost surely, 2^{3113211020112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113211020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4533099519312).

3113211020112 is an abundant number, since it is smaller than the sum of its proper divisors (5952988018512).

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

3113211020112 is a wasteful number, since it uses less digits than its factorization.

3113211020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733159 (or 2733141 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 3113211020112 its reverse (2110201123113), we get a palindrome (5223412143225).

The spelling of 3113211020112 in words is "three trillion, one hundred thirteen billion, two hundred eleven million, twenty thousand, one hundred twelve".