11201101100021 has 16 divisors (see below), whose sum is σ = 12873125082240. Its totient is φ = 9547046717760.

The previous prime is 11201101099987. The next prime is 11201101100041. The reversal of 11201101100021 is 12000110110211.

It is a cyclic number.

It is not a de Polignac number, because 11201101100021 - 2²² = 11201096905717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201101099975 and 11201101100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201101100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56181491 + ... + 56380511.

It is an arithmetic number, because the mean of its divisors is an integer number (804570317640).

Almost surely, 2^{11201101100021} is an apocalyptic number.

It is an amenable number.

11201101100021 is a deficient number, since it is larger than the sum of its proper divisors (1672023982219).

11201101100021 is a wasteful number, since it uses less digits than its factorization.

11201101100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244124.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11201101100021 its reverse (12000110110211), we get a palindrome (23201211210232).

The spelling of 11201101100021 in words is "eleven trillion, two hundred one billion, one hundred one million, one hundred thousand, twenty-one".