201223220087 has 2 divisors, whose sum is σ = 201223220088. Its totient is φ = 201223220086.

The previous prime is 201223220071. The next prime is 201223220113. The reversal of 201223220087 is 780022322102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201223220087 - 2⁴ = 201223220071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201223220987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611610043 + 100611610044.

It is an arithmetic number, because the mean of its divisors is an integer number (100611610044).

Almost surely, 2^201223220087 is an apocalyptic number.

201223220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201223220087 is an equidigital number, since it uses as much as digits as its factorization.

201223220087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 201223220087 its reverse (780022322102), we get a palindrome (981245542189).

The spelling of 201223220087 in words is "two hundred one billion, two hundred twenty-three million, two hundred twenty thousand, eighty-seven".