11201230320020 has 48 divisors (see below), whose sum is σ = 26205530898960. Its totient is φ = 3993223750656.

The previous prime is 11201230319969. The next prime is 11201230320037. The reversal of 11201230320020 is 2002303210211.

It can be written as a sum of positive squares in 8 ways, for example, as 3026194243216 + 8175036076804 = 1739596^2 + 2859202^2 .

It is a super-2 number, since 2×11201230320020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742779617 + ... + 742794696.

It is an arithmetic number, because the mean of its divisors is an integer number (545948560395).

Almost surely, 2^{11201230320020} is an apocalyptic number.

11201230320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201230320020 is an abundant number, since it is smaller than the sum of its proper divisors (15004300578940).

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

11201230320020 is a wasteful number, since it uses less digits than its factorization.

11201230320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485574364 (or 1485574362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11201230320020 its reverse (2002303210211), we get a palindrome (13203533530231).

The spelling of 11201230320020 in words is "eleven trillion, two hundred one billion, two hundred thirty million, three hundred twenty thousand, twenty".