2011111021194 has 32 divisors (see below), whose sum is σ = 4408674255360. Its totient is φ = 606539295600.

The previous prime is 2011111021193. The next prime is 2011111021289. The reversal of 2011111021194 is 4911201111102.

It is not an unprimeable number, because it can be changed into a prime (2011111021193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 72193134 + ... + 72220985.

It is an arithmetic number, because the mean of its divisors is an integer number (137771070480).

Almost surely, 2^{2011111021194} is an apocalyptic number.

2011111021194 is an abundant number, since it is smaller than the sum of its proper divisors (2397563234166).

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

2011111021194 is a wasteful number, since it uses less digits than its factorization.

2011111021194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144414346.

The product of its (nonzero) digits is 144, while the sum is 24.

Adding to 2011111021194 its reverse (4911201111102), we get a palindrome (6922312132296).

The spelling of 2011111021194 in words is "two trillion, eleven billion, one hundred eleven million, twenty-one thousand, one hundred ninety-four".