2311020223112 has 16 divisors (see below), whose sum is σ = 4333211651340. Its totient is φ = 1155497116096.

The previous prime is 2311020223067. The next prime is 2311020223123. The reversal of 2311020223112 is 2113220201132.

It can be written as a sum of positive squares in 2 ways, for example, as 2231217363076 + 79802860036 = 1493726^2 + 282494^2 .

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, 846743 + ... + 2310630.

Almost surely, 2^{2311020223112} is an apocalyptic number.

It is an amenable number.

2311020223112 is a deficient number, since it is larger than the sum of its proper divisors (2022191428228).

2311020223112 is a wasteful number, since it uses less digits than its factorization.

2311020223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248872 (or 3248868 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2311020223112 its reverse (2113220201132), we get a palindrome (4424240424244).

The spelling of 2311020223112 in words is "two trillion, three hundred eleven billion, twenty million, two hundred twenty-three thousand, one hundred twelve".