11301122431220 has 48 divisors (see below), whose sum is σ = 23784017221440. Its totient is φ = 4510614710784.

The previous prime is 11301122431139. The next prime is 11301122431253. The reversal of 11301122431220 is 2213422110311.

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, 31514891 + ... + 31871469.

It is an arithmetic number, because the mean of its divisors is an integer number (495500358780).

Almost surely, 2^{11301122431220} is an apocalyptic number.

11301122431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301122431220 is an abundant number, since it is smaller than the sum of its proper divisors (12482894790220).

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

11301122431220 is a wasteful number, since it uses less digits than its factorization.

11301122431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360032 (or 360030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11301122431220 its reverse (2213422110311), we get a palindrome (13514544541531).

The spelling of 11301122431220 in words is "eleven trillion, three hundred one billion, one hundred twenty-two million, four hundred thirty-one thousand, two hundred twenty".