11001212201 has 16 divisors (see below), whose sum is σ = 12954016128. Its totient is φ = 9147945600.

The previous prime is 11001212177. The next prime is 11001212219. The reversal of 11001212201 is 10221210011.

It is a cyclic number.

It is not a de Polignac number, because 11001212201 - 2²² = 10997017897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001212801) 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, 145295 + ... + 207636.

It is an arithmetic number, because the mean of its divisors is an integer number (809626008).

Almost surely, 2^11001212201 is an apocalyptic number.

It is an amenable number.

11001212201 is a deficient number, since it is larger than the sum of its proper divisors (1952803927).

11001212201 is an equidigital number, since it uses as much as digits as its factorization.

11001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353072.

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

Adding to 11001212201 its reverse (10221210011), we get a palindrome (21222422212).

The spelling of 11001212201 in words is "eleven billion, one million, two hundred twelve thousand, two hundred one".