201130220987 has 2 divisors, whose sum is σ = 201130220988. Its totient is φ = 201130220986.

The previous prime is 201130220971. The next prime is 201130221029. The reversal of 201130220987 is 789022031102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201130220987 - 2⁴ = 201130220971 is a prime.

It is not a weakly prime, because it can be changed into another prime (201130220287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565110493 + 100565110494.

It is an arithmetic number, because the mean of its divisors is an integer number (100565110494).

Almost surely, 2^201130220987 is an apocalyptic number.

201130220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130220987 is an equidigital number, since it uses as much as digits as its factorization.

201130220987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 201130220987 in words is "two hundred one billion, one hundred thirty million, two hundred twenty thousand, nine hundred eighty-seven".