11011101201 has 10 divisors (see below), whose sum is σ = 16448682162. Its totient is φ = 7340734080.

The previous prime is 11011101191. The next prime is 11011101209. The reversal of 11011101201 is 10210111011.

It can be written as a sum of positive squares in only one way, i.e., 6707610000 + 4303491201 = 81900^2 + 65601^2 .

It is not a de Polignac number, because 11011101201 - 2¹⁷ = 11010970129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11011101209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67969680 + ... + 67969841.

Almost surely, 2^11011101201 is an apocalyptic number.

It is an amenable number.

11011101201 is a deficient number, since it is larger than the sum of its proper divisors (5437580961).

11011101201 is an equidigital number, since it uses as much as digits as its factorization.

11011101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135939533 (or 135939524 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11011101201 its reverse (10210111011), we get a palindrome (21221212212).

The spelling of 11011101201 in words is "eleven billion, eleven million, one hundred one thousand, two hundred one".