11201205021000 has 512 divisors, whose sum is σ = 38819005056000. Its totient is φ = 2676086784000.

The previous prime is 11201205020987. The next prime is 11201205021007. The reversal of 11201205021000 is 12050210211.

It is a super-2 number, since 2×11201205021000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11201205021007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104955666 + ... + 105062334.

It is an arithmetic number, because the mean of its divisors is an integer number (75818369250).

Almost surely, 2^{11201205021000} is an apocalyptic number.

11201205021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201205021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19409502528000).

11201205021000 is an abundant number, since it is smaller than the sum of its proper divisors (27617800035000).

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

11201205021000 is a wasteful number, since it uses less digits than its factorization.

11201205021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106810 (or 106796 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 11201205021000 its reverse (12050210211), we get a palindrome (11213255231211).

The spelling of 11201205021000 in words is "eleven trillion, two hundred one billion, two hundred five million, twenty-one thousand".