2112101201111 has 16 divisors (see below), whose sum is σ = 2336819943168. Its totient is φ = 1892840006400.

The previous prime is 2112101201107. The next prime is 2112101201173. The reversal of 2112101201111 is 1111021012112.

It is not a de Polignac number, because 2112101201111 - 2² = 2112101201107 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 (2112101201101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7179236 + ... + 7467638.

It is an arithmetic number, because the mean of its divisors is an integer number (146051246448).

Almost surely, 2^{2112101201111} is an apocalyptic number.

2112101201111 is a deficient number, since it is larger than the sum of its proper divisors (224718742057).

2112101201111 is a wasteful number, since it uses less digits than its factorization.

2112101201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297862.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2112101201111 its reverse (1111021012112), we get a palindrome (3223122213223).

The spelling of 2112101201111 in words is "two trillion, one hundred twelve billion, one hundred one million, two hundred one thousand, one hundred eleven".