212021200022111 has 2 divisors, whose sum is σ = 212021200022112. Its totient is φ = 212021200022110.

The previous prime is 212021200022017. The next prime is 212021200022117. The reversal of 212021200022111 is 111220002120212.

212021200022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021200022111 - 2¹⁰ = 212021200021087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021200022111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021200022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010600011055 + 106010600011056.

It is an arithmetic number, because the mean of its divisors is an integer number (106010600011056).

Almost surely, 2^{212021200022111} is an apocalyptic number.

212021200022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021200022111 is an equidigital number, since it uses as much as digits as its factorization.

212021200022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212021200022111 its reverse (111220002120212), we get a palindrome (323241202142323).

The spelling of 212021200022111 in words is "two hundred twelve trillion, twenty-one billion, two hundred million, twenty-two thousand, one hundred eleven".