11201122021104 has 40 divisors (see below), whose sum is σ = 32151368765520. Its totient is φ = 3733707340224.

The previous prime is 11201122021097. The next prime is 11201122021109. The reversal of 11201122021104 is 40112022110211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201122021109) 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, 12964261167 + ... + 12964262030.

It is an arithmetic number, because the mean of its divisors is an integer number (803784219138).

Almost surely, 2^{11201122021104} is an apocalyptic number.

It is an amenable number.

11201122021104 is an abundant number, since it is smaller than the sum of its proper divisors (20950246744416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201122021104 is a wasteful number, since it uses less digits than its factorization.

11201122021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25928523214 (or 25928523202 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201122021104 its reverse (40112022110211), we get a palindrome (51313144131315).

The spelling of 11201122021104 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, one hundred four".