200221201738087 has 2 divisors, whose sum is σ = 200221201738088. Its totient is φ = 200221201738086.

The previous prime is 200221201738073. The next prime is 200221201738097. The reversal of 200221201738087 is 780837102122002.

200221201738087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200221201738087 - 2³⁵ = 200186841999719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221201738007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110600869043 + 100110600869044.

It is an arithmetic number, because the mean of its divisors is an integer number (100110600869044).

Almost surely, 2^{200221201738087} is an apocalyptic number.

200221201738087 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221201738087 is an equidigital number, since it uses as much as digits as its factorization.

200221201738087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 200221201738087 in words is "two hundred trillion, two hundred twenty-one billion, two hundred one million, seven hundred thirty-eight thousand, eighty-seven".