200221001100187 has 2 divisors, whose sum is σ = 200221001100188. Its totient is φ = 200221001100186.

The previous prime is 200221001100119. The next prime is 200221001100203. The reversal of 200221001100187 is 781001100122002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200221001100187 is a prime.

It is a super-2 number, since 2×200221001100187² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200221001106187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110500550093 + 100110500550094.

It is an arithmetic number, because the mean of its divisors is an integer number (100110500550094).

Almost surely, 2^{200221001100187} is an apocalyptic number.

200221001100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221001100187 is an equidigital number, since it uses as much as digits as its factorization.

200221001100187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 200221001100187 its reverse (781001100122002), we get a palindrome (981222101222189).

The spelling of 200221001100187 in words is "two hundred trillion, two hundred twenty-one billion, one million, one hundred thousand, one hundred eighty-seven".