201100122221099 has 2 divisors, whose sum is σ = 201100122221100. Its totient is φ = 201100122221098.

The previous prime is 201100122221087. The next prime is 201100122221129. The reversal of 201100122221099 is 990122221001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201100122221099 - 2³⁶ = 201031402744363 is a prime.

It is not a weakly prime, because it can be changed into another prime (201100122221029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550061110549 + 100550061110550.

It is an arithmetic number, because the mean of its divisors is an integer number (100550061110550).

Almost surely, 2^{201100122221099} is an apocalyptic number.

201100122221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100122221099 is an equidigital number, since it uses as much as digits as its factorization.

201100122221099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 201100122221099 in words is "two hundred one trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, ninety-nine".