201105287130 has 64 divisors (see below), whose sum is σ = 526629662208. Its totient is φ = 48743588160.

The previous prime is 201105287129. The next prime is 201105287167. The reversal of 201105287130 is 31782501102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1781017 + ... + 1890563.

It is an arithmetic number, because the mean of its divisors is an integer number (8228588472).

Almost surely, 2^201105287130 is an apocalyptic number.

201105287130 is an abundant number, since it is smaller than the sum of its proper divisors (325524375078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201105287130 is a wasteful number, since it uses less digits than its factorization.

201105287130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115131.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 201105287130 its reverse (31782501102), we get a palindrome (232887788232).

The spelling of 201105287130 in words is "two hundred one billion, one hundred five million, two hundred eighty-seven thousand, one hundred thirty".