3111200320112 has 20 divisors (see below), whose sum is σ = 6382535951376. Its totient is φ = 1464094268160.

The previous prime is 3111200320099. The next prime is 3111200320139. The reversal of 3111200320112 is 2110230021113.

It is a super-2 number, since 2×3111200320112² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719117964 + ... + 5719118507.

Almost surely, 2^{3111200320112} is an apocalyptic number.

It is an amenable number.

3111200320112 is an abundant number, since it is smaller than the sum of its proper divisors (3271335631264).

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

3111200320112 is a wasteful number, since it uses less digits than its factorization.

3111200320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438236496 (or 11438236490 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3111200320112 its reverse (2110230021113), we get a palindrome (5221430341225).

The spelling of 3111200320112 in words is "three trillion, one hundred eleven billion, two hundred million, three hundred twenty thousand, one hundred twelve".