212022100012111 has 2 divisors, whose sum is σ = 212022100012112. Its totient is φ = 212022100012110.

The previous prime is 212022100012033. The next prime is 212022100012181. The reversal of 212022100012111 is 111210001220212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212022100012111 - 2²⁷ = 212021965794383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022100012181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011050006055 + 106011050006056.

It is an arithmetic number, because the mean of its divisors is an integer number (106011050006056).

Almost surely, 2^{212022100012111} is an apocalyptic number.

212022100012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022100012111 is an equidigital number, since it uses as much as digits as its factorization.

212022100012111 is an evil number, because the sum of its binary digits is even.

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

Adding to 212022100012111 its reverse (111210001220212), we get a palindrome (323232101232323).

The spelling of 212022100012111 in words is "two hundred twelve trillion, twenty-two billion, one hundred million, twelve thousand, one hundred eleven".