1102112111986 has 4 divisors (see below), whose sum is σ = 1653168167982. Its totient is φ = 551056055992.

The previous prime is 1102112111977. The next prime is 1102112111987. The reversal of 1102112111986 is 6891112112011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1097560046025 + 4552065961 = 1047645^2 + 67469^2 .

It is a super-2 number, since 2×1102112111986² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102112111987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275528027995 + ... + 275528027998.

Almost surely, 2^{1102112111986} is an apocalyptic number.

1102112111986 is a deficient number, since it is larger than the sum of its proper divisors (551056055996).

1102112111986 is an equidigital number, since it uses as much as digits as its factorization.

1102112111986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551056055995.

The product of its (nonzero) digits is 1728, while the sum is 34.

Adding to 1102112111986 its reverse (6891112112011), we get a palindrome (7993224223997).

The spelling of 1102112111986 in words is "one trillion, one hundred two billion, one hundred twelve million, one hundred eleven thousand, nine hundred eighty-six".