11021994 has 24 divisors (see below), whose sum is σ = 24766560. Its totient is φ = 3673836.

The previous prime is 11021993. The next prime is 11022023. The reversal of 11021994 is 49912011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11021993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10854 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^11021994 is an apocalyptic number.

11021994 is an abundant number, since it is smaller than the sum of its proper divisors (13744566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021994 is an equidigital number, since it uses as much as digits as its factorization.

11021994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22696 (or 22684 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11021994 is about 3319.9388548586. The cubic root of 11021994 is about 222.5461352802.

The spelling of 11021994 in words is "eleven million, twenty-one thousand, nine hundred ninety-four".