212000121220111 has 32 divisors (see below), whose sum is σ = 246148119866880. Its totient is φ = 178823172528000.

The previous prime is 212000121220109. The next prime is 212000121220117. The reversal of 212000121220111 is 111022121000212.

212000121220111 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 212000121220111 - 2¹ = 212000121220109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000121220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3372490821 + ... + 3372553681.

It is an arithmetic number, because the mean of its divisors is an integer number (7692128745840).

Almost surely, 2^{212000121220111} is an apocalyptic number.

212000121220111 is a deficient number, since it is larger than the sum of its proper divisors (34147998646769).

212000121220111 is a wasteful number, since it uses less digits than its factorization.

212000121220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70015.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212000121220111 its reverse (111022121000212), we get a palindrome (323022242220323).

The spelling of 212000121220111 in words is "two hundred twelve trillion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".