11010202001 has 4 divisors (see below), whose sum is σ = 11119214004. Its totient is φ = 10901190000.

The previous prime is 11010201931. The next prime is 11010202009. The reversal of 11010202001 is 10020201011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10020201011 = 101 ⋅99209911.

It can be written as a sum of positive squares in 2 ways, for example, as 5654889601 + 5355312400 = 75199^2 + 73180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010202001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11010202001.

It is not an unprimeable number, because it can be changed into a prime (11010202009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54505850 + ... + 54506051.

It is an arithmetic number, because the mean of its divisors is an integer number (2779803501).

Almost surely, 2^11010202001 is an apocalyptic number.

It is an amenable number.

11010202001 is a deficient number, since it is larger than the sum of its proper divisors (109012003).

11010202001 is a wasteful number, since it uses less digits than its factorization.

11010202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109012002.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11010202001 its reverse (10020201011), we get a palindrome (21030403012).

The spelling of 11010202001 in words is "eleven billion, ten million, two hundred two thousand, one".