11050121 has 4 divisors (see below), whose sum is σ = 11060292. Its totient is φ = 11039952.

The previous prime is 11050111. The next prime is 11050139. The reversal of 11050121 is 12105011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5593225 + 5456896 = 2365^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11050121 - 2⁶ = 11050057 is a prime.

It is a super-2 number, since 2×11050121² = 244210348229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11050111) 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, 3230 + ... + 5703.

It is an arithmetic number, because the mean of its divisors is an integer number (2765073).

Almost surely, 2^11050121 is an apocalyptic number.

It is an amenable number.

11050121 is a deficient number, since it is larger than the sum of its proper divisors (10171).

11050121 is an equidigital number, since it uses as much as digits as its factorization.

11050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 11050121 is about 3324.1722277884. The cubic root of 11050121 is about 222.7352794618.

Adding to 11050121 its reverse (12105011), we get a palindrome (23155132).

The spelling of 11050121 in words is "eleven million, fifty thousand, one hundred twenty-one".