201120011987 has 2 divisors, whose sum is σ = 201120011988. Its totient is φ = 201120011986.

The previous prime is 201120011921. The next prime is 201120012001. The reversal of 201120011987 is 789110021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201120011987 - 2¹⁴ = 201119995603 is a prime.

It is not a weakly prime, because it can be changed into another prime (201180011987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560005993 + 100560005994.

It is an arithmetic number, because the mean of its divisors is an integer number (100560005994).

Almost surely, 2^201120011987 is an apocalyptic number.

201120011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120011987 is an equidigital number, since it uses as much as digits as its factorization.

201120011987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 201120011987 in words is "two hundred one billion, one hundred twenty million, eleven thousand, nine hundred eighty-seven".