2211202111986 has 240 divisors, whose sum is σ = 5790963974400. Its totient is φ = 628788992832.

The previous prime is 2211202111961. The next prime is 2211202112023. The reversal of 2211202111986 is 6891112021122.

2211202111986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2211202111986.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2574158025 + ... + 2574158883.

It is an arithmetic number, because the mean of its divisors is an integer number (24129016560).

Almost surely, 2^{2211202111986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211202111986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895481987200).

2211202111986 is an abundant number, since it is smaller than the sum of its proper divisors (3579761862414).

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

2211202111986 is a wasteful number, since it uses less digits than its factorization.

2211202111986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2027 counting only the distinct ones).

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

The spelling of 2211202111986 in words is "two trillion, two hundred eleven billion, two hundred two million, one hundred eleven thousand, nine hundred eighty-six".