201122102087 has 2 divisors, whose sum is σ = 201122102088. Its totient is φ = 201122102086.

The previous prime is 201122102063. The next prime is 201122102141. The reversal of 201122102087 is 780201221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201122102087 - 2¹⁶ = 201122036551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122102057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561051043 + 100561051044.

It is an arithmetic number, because the mean of its divisors is an integer number (100561051044).

Almost surely, 2^201122102087 is an apocalyptic number.

201122102087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122102087 is an equidigital number, since it uses as much as digits as its factorization.

201122102087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 201122102087 its reverse (780201221102), we get a palindrome (981323323189).

The spelling of 201122102087 in words is "two hundred one billion, one hundred twenty-two million, one hundred two thousand, eighty-seven".