212111202201193 has 2 divisors, whose sum is σ = 212111202201194. Its totient is φ = 212111202201192.

The previous prime is 212111202201091. The next prime is 212111202201307. The reversal of 212111202201193 is 391102202111212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169898789837529 + 42212412363664 = 13034523^2 + 6497108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212111202201193 is a prime.

It is not a weakly prime, because it can be changed into another prime (212111202501193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055601100596 + 106055601100597.

It is an arithmetic number, because the mean of its divisors is an integer number (106055601100597).

Almost surely, 2^{212111202201193} is an apocalyptic number.

It is an amenable number.

212111202201193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111202201193 is an equidigital number, since it uses as much as digits as its factorization.

212111202201193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 212111202201193 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred two million, two hundred one thousand, one hundred ninety-three".