11012201 has 4 divisors (see below), whose sum is σ = 11040900. Its totient is φ = 10983504.

The previous prime is 11012167. The next prime is 11012203. The reversal of 11012201 is 10221011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10221011 = 233 ⋅43867.

It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 7398400 = 1901^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012201 - 2¹⁸ = 10750057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012203) 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, 13766 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (2760225).

Almost surely, 2^11012201 is an apocalyptic number.

It is an amenable number.

11012201 is a deficient number, since it is larger than the sum of its proper divisors (28699).

11012201 is an equidigital number, since it uses as much as digits as its factorization.

11012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28698.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11012201 is about 3318.4636505467. The cubic root of 11012201 is about 222.4802052836.

Adding to 11012201 its reverse (10221011), we get a palindrome (21233212).

It can be divided in two parts, 1101 and 2201, that multiplied together give a triangular number (2423301 = T₂₂₀₁).

The spelling of 11012201 in words is "eleven million, twelve thousand, two hundred one".