2312122443111 has 12 divisors (see below), whose sum is σ = 3596634911688. Its totient is φ = 1422844580304.

The previous prime is 2312122443107. The next prime is 2312122443131. The reversal of 2312122443111 is 1113442212132.

2312122443111 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 1 + 224 + 431 + 1 + 1 = 666.

2312122443111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2312122443111 - 2² = 2312122443107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312122443131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9880865025 + ... + 9880865258.

It is an arithmetic number, because the mean of its divisors is an integer number (299719575974).

Almost surely, 2^{2312122443111} is an apocalyptic number.

2312122443111 is a deficient number, since it is larger than the sum of its proper divisors (1284512468577).

2312122443111 is a wasteful number, since it uses less digits than its factorization.

2312122443111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19761730302 (or 19761730299 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 2312122443111 its reverse (1113442212132), we get a palindrome (3425564655243).

The spelling of 2312122443111 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred eleven".