11401211 has 4 divisors (see below), whose sum is σ = 11769024. Its totient is φ = 11033400.

The previous prime is 11401207. The next prime is 11401231. The reversal of 11401211 is 11210411.

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 11401211 - 2² = 11401207 is a prime.

It is a super-2 number, since 2×11401211² = 259975224533042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401192 and 11401201.

It is not an unprimeable number, because it can be changed into a prime (11401231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183860 + ... + 183921.

It is an arithmetic number, because the mean of its divisors is an integer number (2942256).

Almost surely, 2^11401211 is an apocalyptic number.

11401211 is a deficient number, since it is larger than the sum of its proper divisors (367813).

11401211 is an equidigital number, since it uses as much as digits as its factorization.

11401211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367812.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11401211 is about 3376.5679320873. The cubic root of 11401211 is about 225.0696804760.

Adding to 11401211 its reverse (11210411), we get a palindrome (22611622).

The spelling of 11401211 in words is "eleven million, four hundred one thousand, two hundred eleven".