201120109987 has 2 divisors, whose sum is σ = 201120109988. Its totient is φ = 201120109986.

The previous prime is 201120109933. The next prime is 201120110041. The reversal of 201120109987 is 789901021102.

It is a balanced prime because it is at equal distance from previous prime (201120109933) and next prime (201120110041).

It is a cyclic number.

It is not a de Polignac number, because 201120109987 - 2⁷ = 201120109859 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120509987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560054993 + 100560054994.

It is an arithmetic number, because the mean of its divisors is an integer number (100560054994).

Almost surely, 2^201120109987 is an apocalyptic number.

201120109987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120109987 is an equidigital number, since it uses as much as digits as its factorization.

201120109987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 201120109987 in words is "two hundred one billion, one hundred twenty million, one hundred nine thousand, nine hundred eighty-seven".