11231011 has 4 divisors (see below), whose sum is σ = 12252024. Its totient is φ = 10210000.

The previous prime is 11230939. The next prime is 11231027. The reversal of 11231011 is 11013211.

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 11231011 - 2¹¹ = 11228963 is a prime.

It is a super-2 number, since 2×11231011² = 252271216164242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510490 + ... + 510511.

It is an arithmetic number, because the mean of its divisors is an integer number (3063006).

Almost surely, 2^11231011 is an apocalyptic number.

11231011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11231011 is a deficient number, since it is larger than the sum of its proper divisors (1021013).

11231011 is a wasteful number, since it uses less digits than its factorization.

11231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021012.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11231011 is about 3351.2700577542. The cubic root of 11231011 is about 223.9440961151.

Adding to 11231011 its reverse (11013211), we get a palindrome (22244222).

The spelling of 11231011 in words is "eleven million, two hundred thirty-one thousand, eleven".