2211120211986 has 48 divisors (see below), whose sum is σ = 5475431520000. Its totient is φ = 631716704064.

The previous prime is 2211120211969. The next prime is 2211120212011. The reversal of 2211120211986 is 6891120211122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211120211986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2118055 + ... + 2984693.

It is an arithmetic number, because the mean of its divisors is an integer number (114071490000).

Almost surely, 2^{2211120211986} is an apocalyptic number.

2211120211986 is an abundant number, since it is smaller than the sum of its proper divisors (3264311308014).

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

2211120211986 is a wasteful number, since it uses less digits than its factorization.

2211120211986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886903 (or 886900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 2211120211986 in words is "two trillion, two hundred eleven billion, one hundred twenty million, two hundred eleven thousand, nine hundred eighty-six".