201011110111010 has 16 divisors (see below), whose sum is σ = 361829433324672. Its totient is φ = 80402347350000.

The previous prime is 201011110110973. The next prime is 201011110111027. The reversal of 201011110111010 is 10111011110102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201011110110982 and 201011110111000.

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 7 ways as a sum of consecutive naturals, for example, 261684116 + ... + 262451135.

It is an arithmetic number, because the mean of its divisors is an integer number (22614339582792).

Almost surely, 2^{201011110111010} is an apocalyptic number.

201011110111010 is a deficient number, since it is larger than the sum of its proper divisors (160818323213662).

201011110111010 is a wasteful number, since it uses less digits than its factorization.

201011110111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524173609.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 201011110111010 its reverse (10111011110102), we get a palindrome (211122121221112).

The spelling of 201011110111010 in words is "two hundred one trillion, eleven billion, one hundred ten million, one hundred eleven thousand, ten".