111220101111986 has 32 divisors (see below), whose sum is σ = 167883439546368. Its totient is φ = 55260139470480.

The previous prime is 111220101111979. The next prime is 111220101111989. The reversal of 111220101111986 is 689111101022111.

It is not an unprimeable number, because it can be changed into a prime (111220101111989) 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, 542320781 + ... + 542525823.

It is an arithmetic number, because the mean of its divisors is an integer number (5246357485824).

Almost surely, 2^{111220101111986} is an apocalyptic number.

111220101111986 is a deficient number, since it is larger than the sum of its proper divisors (56663338434382).

111220101111986 is a wasteful number, since it uses less digits than its factorization.

111220101111986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207926.

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

The spelling of 111220101111986 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, one hundred eleven thousand, nine hundred eighty-six".