11301023111220 has 144 divisors (see below), whose sum is σ = 36341936537088. Its totient is φ = 2837571575040.

The previous prime is 11301023111179. The next prime is 11301023111267. The reversal of 11301023111220 is 2211132010311.

11301023111220 is a `hidden beast` number, since 1 + 1 + 30 + 102 + 311 + 1 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11301023111193 and 11301023111202.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 27162094 + ... + 27575013.

Almost surely, 2^{11301023111220} is an apocalyptic number.

11301023111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301023111220 is an abundant number, since it is smaller than the sum of its proper divisors (25040913425868).

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

11301023111220 is a wasteful number, since it uses less digits than its factorization.

11301023111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54737190 (or 54737185 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11301023111220 its reverse (2211132010311), we get a palindrome (13512155121531).

The spelling of 11301023111220 in words is "eleven trillion, three hundred one billion, twenty-three million, one hundred eleven thousand, two hundred twenty".