201213241087 has 2 divisors, whose sum is σ = 201213241088. Its totient is φ = 201213241086.

The previous prime is 201213241079. The next prime is 201213241109. The reversal of 201213241087 is 780142312102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201213241087 - 2³ = 201213241079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201213241387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606620543 + 100606620544.

It is an arithmetic number, because the mean of its divisors is an integer number (100606620544).

Almost surely, 2^201213241087 is an apocalyptic number.

201213241087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213241087 is an equidigital number, since it uses as much as digits as its factorization.

201213241087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 201213241087 its reverse (780142312102), we get a palindrome (981355553189).

The spelling of 201213241087 in words is "two hundred one billion, two hundred thirteen million, two hundred forty-one thousand, eighty-seven".