201001022209987 has 2 divisors, whose sum is σ = 201001022209988. Its totient is φ = 201001022209986.

The previous prime is 201001022209859. The next prime is 201001022210033. The reversal of 201001022209987 is 789902220100102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201001022209987 - 2⁷ = 201001022209859 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001022209187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500511104993 + 100500511104994.

It is an arithmetic number, because the mean of its divisors is an integer number (100500511104994).

Almost surely, 2^{201001022209987} is an apocalyptic number.

201001022209987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001022209987 is an equidigital number, since it uses as much as digits as its factorization.

201001022209987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 201001022209987 in words is "two hundred one trillion, one billion, twenty-two million, two hundred nine thousand, nine hundred eighty-seven".