12211111101986 has 16 divisors (see below), whose sum is σ = 19546827227136. Its totient is φ = 5701157937216.

The previous prime is 12211111101929. The next prime is 12211111101991. The reversal of 12211111101986 is 68910111111221.

It is a super-2 number, since 2×12211111101986² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413973346 + ... + 1413981981.

It is an arithmetic number, because the mean of its divisors is an integer number (1221676701696).

Almost surely, 2^{12211111101986} is an apocalyptic number.

12211111101986 is a deficient number, since it is larger than the sum of its proper divisors (7335716125150).

12211111101986 is a wasteful number, since it uses less digits than its factorization.

12211111101986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827955473.

The product of its (nonzero) digits is 1728, while the sum is 35.

The spelling of 12211111101986 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, one hundred one thousand, nine hundred eighty-six".