1102120111 has 4 divisors (see below), whose sum is σ = 1113482272. Its totient is φ = 1090757952.

The previous prime is 1102120093. The next prime is 1102120157. The reversal of 1102120111 is 1110212011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102120111 - 2¹¹ = 1102118063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102120211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5680935 + ... + 5681128.

It is an arithmetic number, because the mean of its divisors is an integer number (278370568).

Almost surely, 2^1102120111 is an apocalyptic number.

1102120111 is a deficient number, since it is larger than the sum of its proper divisors (11362161).

1102120111 is an equidigital number, since it uses as much as digits as its factorization.

1102120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11362160.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1102120111 is about 33198.1943936715. The cubic root of 1102120111 is about 1032.9428863295.

Adding to 1102120111 its reverse (1110212011), we get a palindrome (2212332122).

The spelling of 1102120111 in words is "one billion, one hundred two million, one hundred twenty thousand, one hundred eleven".