11021101001 has 8 divisors (see below), whose sum is σ = 11067655104. Its totient is φ = 10974582640.

The previous prime is 11021100991. The next prime is 11021101093. The reversal of 11021101001 is 10010112011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021101001 - 2¹⁰ = 11021099977 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 11021101001.

It is not an unprimeable number, because it can be changed into a prime (11021101501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738746 + ... + 753516.

It is an arithmetic number, because the mean of its divisors is an integer number (1383456888).

Almost surely, 2^11021101001 is an apocalyptic number.

It is an amenable number.

11021101001 is a deficient number, since it is larger than the sum of its proper divisors (46554103).

11021101001 is a wasteful number, since it uses less digits than its factorization.

11021101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11021101001 its reverse (10010112011), we get a palindrome (21031213012).

The spelling of 11021101001 in words is "eleven billion, twenty-one million, one hundred one thousand, one".