2211126612186 has 64 divisors (see below), whose sum is σ = 4475140750080. Its totient is φ = 728261591040.

The previous prime is 2211126612143. The next prime is 2211126612187. The reversal of 2211126612186 is 6812166211122.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211126612187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023194946 + ... + 1023197106.

It is an arithmetic number, because the mean of its divisors is an integer number (69924074220).

Almost surely, 2^{2211126612186} is an apocalyptic number.

2211126612186 is an abundant number, since it is smaller than the sum of its proper divisors (2264014137894).

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

2211126612186 is a wasteful number, since it uses less digits than its factorization.

2211126612186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191.

The product of its digits is 27648, while the sum is 39.

The spelling of 2211126612186 in words is "two trillion, two hundred eleven billion, one hundred twenty-six million, six hundred twelve thousand, one hundred eighty-six".