212012002101111 has 16 divisors (see below), whose sum is σ = 283430354900448. Its totient is φ = 140967952704000.

The previous prime is 212012002101103. The next prime is 212012002101127. The reversal of 212012002101111 is 111101200210212.

It is a happy number.

It is not a de Polignac number, because 212012002101111 - 2³ = 212012002101103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012002102111) 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, 55744086 + ... + 59425811.

It is an arithmetic number, because the mean of its divisors is an integer number (17714397181278).

Almost surely, 2^{212012002101111} is an apocalyptic number.

212012002101111 is a deficient number, since it is larger than the sum of its proper divisors (71418352799337).

212012002101111 is a wasteful number, since it uses less digits than its factorization.

212012002101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115171522.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212012002101111 its reverse (111101200210212), we get a palindrome (323113202311323).

The spelling of 212012002101111 in words is "two hundred twelve trillion, twelve billion, two million, one hundred one thousand, one hundred eleven".