2112420314111 has 4 divisors (see below), whose sum is σ = 2112425769432. Its totient is φ = 2112414858792.

The previous prime is 2112420314107. The next prime is 2112420314119. The reversal of 2112420314111 is 1114130242112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112420314111 - 2² = 2112420314107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112420314119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098445 + ... + 2937398.

It is an arithmetic number, because the mean of its divisors is an integer number (528106442358).

Almost surely, 2^{2112420314111} is an apocalyptic number.

2112420314111 is a deficient number, since it is larger than the sum of its proper divisors (5455321).

2112420314111 is an equidigital number, since it uses as much as digits as its factorization.

2112420314111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455320.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2112420314111 its reverse (1114130242112), we get a palindrome (3226550556223).

The spelling of 2112420314111 in words is "two trillion, one hundred twelve billion, four hundred twenty million, three hundred fourteen thousand, one hundred eleven".