11011202001 has 12 divisors (see below), whose sum is σ = 15955247412. Its totient is φ = 7317642336.

The previous prime is 11011201991. The next prime is 11011202017. The reversal of 11011202001 is 10020211011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1838351376 + 9172850625 = 42876^2 + 95775^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11011202001 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 (11011202021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1926906 + ... + 1932611.

It is an arithmetic number, because the mean of its divisors is an integer number (1329603951).

Almost surely, 2^11011202001 is an apocalyptic number.

It is an amenable number.

11011202001 is a deficient number, since it is larger than the sum of its proper divisors (4944045411).

11011202001 is a wasteful number, since it uses less digits than its factorization.

11011202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859840 (or 3859837 counting only the distinct ones).

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

Adding to 11011202001 its reverse (10020211011), we get a palindrome (21031413012).

The spelling of 11011202001 in words is "eleven billion, eleven million, two hundred two thousand, one".