11001021101 has 16 divisors (see below), whose sum is σ = 12775106688. Its totient is φ = 9278712000.

The previous prime is 11001021077. The next prime is 11001021107. The reversal of 11001021101 is 10112010011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11001021101 - 2²⁶ = 10933912237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001021107) 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, 67511 + ... + 162971.

It is an arithmetic number, because the mean of its divisors is an integer number (798444168).

Almost surely, 2^11001021101 is an apocalyptic number.

It is an amenable number.

11001021101 is a deficient number, since it is larger than the sum of its proper divisors (1774085587).

11001021101 is a wasteful number, since it uses less digits than its factorization.

11001021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95732.

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

Adding to 11001021101 its reverse (10112010011), we get a palindrome (21113031112).

It can be divided in two parts, 1100 and 1021101, that added together give a palindrome (1022201).

The spelling of 11001021101 in words is "eleven billion, one million, twenty-one thousand, one hundred one".