11211994 has 16 divisors (see below), whose sum is σ = 17644032. Its totient is φ = 5333328.

The previous prime is 11211989. The next prime is 11212001. The reversal of 11211994 is 49911211.

11211994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9712 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (1102752).

Almost surely, 2^11211994 is an apocalyptic number.

11211994 is a deficient number, since it is larger than the sum of its proper divisors (6432038).

11211994 is a wasteful number, since it uses less digits than its factorization.

11211994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its digits is 648, while the sum is 28.

The square root of 11211994 is about 3348.4315731399. The cubic root of 11211994 is about 223.8176263236.

The spelling of 11211994 in words is "eleven million, two hundred eleven thousand, nine hundred ninety-four".