2111322542012 has 12 divisors (see below), whose sum is σ = 3694866920640. Its totient is φ = 1055646278976.

The previous prime is 2111322542009. The next prime is 2111322542039. The reversal of 2111322542012 is 2102452231112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428108 + ... + 3996819.

It is an arithmetic number, because the mean of its divisors is an integer number (307905576720).

Almost surely, 2^{2111322542012} is an apocalyptic number.

It is an amenable number.

2111322542012 is a deficient number, since it is larger than the sum of its proper divisors (1583544378628).

2111322542012 is a wasteful number, since it uses less digits than its factorization.

2111322542012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496020 (or 7496018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2111322542012 its reverse (2102452231112), we get a palindrome (4213774773124).

The spelling of 2111322542012 in words is "two trillion, one hundred eleven billion, three hundred twenty-two million, five hundred forty-two thousand, twelve".