2131111233112 has 16 divisors (see below), whose sum is σ = 3995900223840. Its totient is φ = 1065537840096.

The previous prime is 2131111233067. The next prime is 2131111233133. The reversal of 2131111233112 is 2113321111312.

It is a super-2 number, since 2×2131111233112² (a number of 25 digits) contains 22 as substring.

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, 1705488 + ... + 2677855.

It is an arithmetic number, because the mean of its divisors is an integer number (249743763990).

Almost surely, 2^{2131111233112} is an apocalyptic number.

It is an amenable number.

2131111233112 is a deficient number, since it is larger than the sum of its proper divisors (1864788990728).

2131111233112 is a wasteful number, since it uses less digits than its factorization.

2131111233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444122 (or 4444118 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 2131111233112 its reverse (2113321111312), we get a palindrome (4244432344424).

The spelling of 2131111233112 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirty-three thousand, one hundred twelve".