201110111101010 has 8 divisors (see below), whose sum is σ = 361998199981836. Its totient is φ = 80444044440400.

The previous prime is 201110111101007. The next prime is 201110111101043. The reversal of 201110111101010 is 10101111011102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199812614689081 + 1297496411929 = 14135509^2 + 1139077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201110111100982 and 201110111101000.

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 3 ways as a sum of consecutive naturals, for example, 10055505555041 + ... + 10055505555060.

Almost surely, 2^{201110111101010} is an apocalyptic number.

201110111101010 is a deficient number, since it is larger than the sum of its proper divisors (160888088880826).

201110111101010 is a wasteful number, since it uses less digits than its factorization.

201110111101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111011110108.

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

Adding to 201110111101010 its reverse (10101111011102), we get a palindrome (211211222112112).

The spelling of 201110111101010 in words is "two hundred one trillion, one hundred ten billion, one hundred eleven million, one hundred one thousand, ten".