201121222111099 has 2 divisors, whose sum is σ = 201121222111100. Its totient is φ = 201121222111098.

The previous prime is 201121222111093. The next prime is 201121222111129. The reversal of 201121222111099 is 990111222121102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201121222111099 - 2²¹ = 201121220013947 is a prime.

It is not a weakly prime, because it can be changed into another prime (201121222111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560611055549 + 100560611055550.

It is an arithmetic number, because the mean of its divisors is an integer number (100560611055550).

Almost surely, 2^{201121222111099} is an apocalyptic number.

201121222111099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121222111099 is an equidigital number, since it uses as much as digits as its factorization.

201121222111099 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 34.

The spelling of 201121222111099 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, ninety-nine".