11001022201 has 16 divisors (see below), whose sum is σ = 12547776528. Its totient is φ = 9554688000.

The previous prime is 11001022183. The next prime is 11001022229. The reversal of 11001022201 is 10222010011.

It can be written as a sum of positive squares in 8 ways, for example, as 122323600 + 10878698601 = 11060^2 + 104301^2 .

It is not a de Polignac number, because 11001022201 - 2⁵ = 11001022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001022301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277731 + ... + 1286311.

It is an arithmetic number, because the mean of its divisors is an integer number (784236033).

Almost surely, 2^11001022201 is an apocalyptic number.

It is an amenable number.

11001022201 is a deficient number, since it is larger than the sum of its proper divisors (1546754327).

11001022201 is a wasteful number, since it uses less digits than its factorization.

11001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14412.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001022201 its reverse (10222010011), we get a palindrome (21223032212).

The spelling of 11001022201 in words is "eleven billion, one million, twenty-two thousand, two hundred one".