10201211999987 has 2 divisors, whose sum is σ = 10201211999988. Its totient is φ = 10201211999986.

The previous prime is 10201211999977. The next prime is 10201212000043. The reversal of 10201211999987 is 78999911210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201211999987 - 2³⁴ = 10184032130803 is a prime.

It is not a weakly prime, because it can be changed into another prime (10201211999977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100605999993 + 5100605999994.

It is an arithmetic number, because the mean of its divisors is an integer number (5100605999994).

Almost surely, 2^{10201211999987} is an apocalyptic number.

10201211999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201211999987 is an equidigital number, since it uses as much as digits as its factorization.

10201211999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 59.

The spelling of 10201211999987 in words is "ten trillion, two hundred one billion, two hundred eleven million, nine hundred ninety-nine thousand, nine hundred eighty-seven".