2011221010195 has 16 divisors (see below), whose sum is σ = 2424505168800. Its totient is φ = 1601622489600.

The previous prime is 2011221010039. The next prime is 2011221010207. The reversal of 2011221010195 is 5910101221102.

It is not a de Polignac number, because 2011221010195 - 2¹⁵ = 2011220977427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505081 + ... + 3209029.

It is an arithmetic number, because the mean of its divisors is an integer number (151531573050).

Almost surely, 2^{2011221010195} is an apocalyptic number.

2011221010195 is a deficient number, since it is larger than the sum of its proper divisors (413284158605).

2011221010195 is a wasteful number, since it uses less digits than its factorization.

2011221010195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706566.

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 2011221010195 its reverse (5910101221102), we get a palindrome (7921322231297).

The spelling of 2011221010195 in words is "two trillion, eleven billion, two hundred twenty-one million, ten thousand, one hundred ninety-five".