11011002201 has 6 divisors (see below), whose sum is σ = 15904780970. Its totient is φ = 7340668128.

The previous prime is 11011002169. The next prime is 11011002203. The reversal of 11011002201 is 10220011011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6612129225 + 4398872976 = 81315^2 + 66324^2 .

It is not a de Polignac number, because 11011002201 - 2⁵ = 11011002169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1223444689 = 11011002201 / (1 + 1 + 0 + 1 + 1 + 0 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011002203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611722336 + ... + 611722353.

Almost surely, 2^11011002201 is an apocalyptic number.

It is an amenable number.

11011002201 is a deficient number, since it is larger than the sum of its proper divisors (4893778769).

11011002201 is a wasteful number, since it uses less digits than its factorization.

11011002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223444695 (or 1223444692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11011002201 its reverse (10220011011), we get a palindrome (21231013212).

The spelling of 11011002201 in words is "eleven billion, eleven million, two thousand, two hundred one".