201010112111985 has 32 divisors (see below), whose sum is σ = 351213127777152. Its totient is φ = 97359694433280.

The previous prime is 201010112111983. The next prime is 201010112112049. The reversal of 201010112111985 is 589111211010102.

It is not a de Polignac number, because 201010112111985 - 2¹ = 201010112111983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (201010112111983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 623299954 + ... + 623622363.

It is an arithmetic number, because the mean of its divisors is an integer number (10975410243036).

Almost surely, 2^{201010112111985} is an apocalyptic number.

It is an amenable number.

201010112111985 is a deficient number, since it is larger than the sum of its proper divisors (150203015665167).

201010112111985 is a wasteful number, since it uses less digits than its factorization.

201010112111985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246923313.

The product of its (nonzero) digits is 1440, while the sum is 33.

The spelling of 201010112111985 in words is "two hundred one trillion, ten billion, one hundred twelve million, one hundred eleven thousand, nine hundred eighty-five".