11001011102001 has 12 divisors (see below), whose sum is σ = 16402941285120. Its totient is φ = 7097426517240.

The previous prime is 11001011101979. The next prime is 11001011102021. The reversal of 11001011102001 is 10020111010011.

It is not a de Polignac number, because 11001011102001 - 2¹⁸ = 11001010839857 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 (11001011102021) 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, 19715073381 + ... + 19715073938.

It is an arithmetic number, because the mean of its divisors is an integer number (1366911773760).

Almost surely, 2^{11001011102001} is an apocalyptic number.

It is an amenable number.

11001011102001 is a deficient number, since it is larger than the sum of its proper divisors (5401930183119).

11001011102001 is a wasteful number, since it uses less digits than its factorization.

11001011102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39430147356 (or 39430147353 counting only the distinct ones).

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

Adding to 11001011102001 its reverse (10020111010011), we get a palindrome (21021122112012).

The spelling of 11001011102001 in words is "eleven trillion, one billion, eleven million, one hundred two thousand, one".