212120102019011 has 2 divisors, whose sum is σ = 212120102019012. Its totient is φ = 212120102019010.

The previous prime is 212120102018977. The next prime is 212120102019073. The reversal of 212120102019011 is 110910201021212.

It is a happy number.

212120102019011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212120102019011 is a prime.

It is not a weakly prime, because it can be changed into another prime (212120152019011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060051009505 + 106060051009506.

It is an arithmetic number, because the mean of its divisors is an integer number (106060051009506).

Almost surely, 2^{212120102019011} is an apocalyptic number.

212120102019011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120102019011 is an equidigital number, since it uses as much as digits as its factorization.

212120102019011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 212120102019011 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred two million, nineteen thousand, eleven".