11942011 has 2 divisors, whose sum is σ = 11942012. Its totient is φ = 11942010.

The previous prime is 11941981. The next prime is 11942027. The reversal of 11942011 is 11024911.

It is a strong prime.

It is an emirp because it is prime and its reverse (11024911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11942011 - 2⁷ = 11941883 is a prime.

It is a super-2 number, since 2×11942011² = 285223253448242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11942011.

It is not a weakly prime, because it can be changed into another prime (11942081) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971005 + 5971006.

It is an arithmetic number, because the mean of its divisors is an integer number (5971006).

Almost surely, 2^11942011 is an apocalyptic number.

11942011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11942011 is an equidigital number, since it uses as much as digits as its factorization.

11942011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11942011 is about 3455.7214876202. The cubic root of 11942011 is about 228.5734704617.

Adding to 11942011 its reverse (11024911), we get a palindrome (22966922).

The spelling of 11942011 in words is "eleven million, nine hundred forty-two thousand, eleven".