212011120212091 has 2 divisors, whose sum is σ = 212011120212092. Its totient is φ = 212011120212090.

The previous prime is 212011120211977. The next prime is 212011120212137. The reversal of 212011120212091 is 190212021110212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212011120212091 - 2¹³ = 212011120203899 is a prime.

It is not a weakly prime, because it can be changed into another prime (212011120242091) 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 as a sum of consecutive naturals, namely, 106005560106045 + 106005560106046.

It is an arithmetic number, because the mean of its divisors is an integer number (106005560106046).

Almost surely, 2^{212011120212091} is an apocalyptic number.

212011120212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011120212091 is an equidigital number, since it uses as much as digits as its factorization.

212011120212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 212011120212091 in words is "two hundred twelve trillion, eleven billion, one hundred twenty million, two hundred twelve thousand, ninety-one".