2143201531112 has 32 divisors (see below), whose sum is σ = 4057055877600. Its totient is φ = 1061328139200.

The previous prime is 2143201531099. The next prime is 2143201531123. The reversal of 2143201531112 is 2111351023412.

It is a super-2 number, since 2×2143201531112² (a number of 25 digits) contains 22 as substring.

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, 1592687 + ... + 2612097.

It is an arithmetic number, because the mean of its divisors is an integer number (126782996175).

Almost surely, 2^{2143201531112} is an apocalyptic number.

It is an amenable number.

2143201531112 is a deficient number, since it is larger than the sum of its proper divisors (1913854346488).

2143201531112 is a wasteful number, since it uses less digits than its factorization.

2143201531112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021937 (or 1021933 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 2143201531112 its reverse (2111351023412), we get a palindrome (4254552554524).

The spelling of 2143201531112 in words is "two trillion, one hundred forty-three billion, two hundred one million, five hundred thirty-one thousand, one hundred twelve".