11220139 has 8 divisors (see below), whose sum is σ = 13169888. Its totient is φ = 9357120.

The previous prime is 11220137. The next prime is 11220149. The reversal of 11220139 is 93102211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220139 - 2¹ = 11220137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11220137) 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 7 ways as a sum of consecutive naturals, for example, 21402 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (1646236).

Almost surely, 2^11220139 is an apocalyptic number.

11220139 is a deficient number, since it is larger than the sum of its proper divisors (1949749).

11220139 is an equidigital number, since it uses as much as digits as its factorization.

11220139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43365.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11220139 is about 3349.6475934044. The cubic root of 11220139 is about 223.8718109555.

The spelling of 11220139 in words is "eleven million, two hundred twenty thousand, one hundred thirty-nine".