201002200021187 has 2 divisors, whose sum is σ = 201002200021188. Its totient is φ = 201002200021186.

The previous prime is 201002200021121. The next prime is 201002200021331. The reversal of 201002200021187 is 781120002200102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201002200021187 - 2⁸ = 201002200020931 is a prime.

It is not a weakly prime, because it can be changed into another prime (201002200021687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501100010593 + 100501100010594.

It is an arithmetic number, because the mean of its divisors is an integer number (100501100010594).

Almost surely, 2^{201002200021187} is an apocalyptic number.

201002200021187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002200021187 is an equidigital number, since it uses as much as digits as its factorization.

201002200021187 is an evil number, because the sum of its binary digits is even.

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

Adding to 201002200021187 its reverse (781120002200102), we get a palindrome (982122202221289).

The spelling of 201002200021187 in words is "two hundred one trillion, two billion, two hundred million, twenty-one thousand, one hundred eighty-seven".