11201021021109 has 16 divisors (see below), whose sum is σ = 15913927217088. Its totient is φ = 6983326701312.

The previous prime is 11201021021081. The next prime is 11201021021111. The reversal of 11201021021109 is 90112012010211.

It is not a de Polignac number, because 11201021021109 - 2¹¹ = 11201021019061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201021022109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699443787 + ... + 699459800.

It is an arithmetic number, because the mean of its divisors is an integer number (994620451068).

Almost surely, 2^{11201021021109} is an apocalyptic number.

It is an amenable number.

11201021021109 is a deficient number, since it is larger than the sum of its proper divisors (4712906195979).

11201021021109 is a wasteful number, since it uses less digits than its factorization.

11201021021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398903764.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 11201021021109 in words is "eleven trillion, two hundred one billion, twenty-one million, twenty-one thousand, one hundred nine".