11103420221124 has 288 divisors, whose sum is σ = 33123619339776. Its totient is φ = 2862510981120.

The previous prime is 11103420221081. The next prime is 11103420221161. The reversal of 11103420221124 is 42112202430111.

It is a junction number, because it is equal to n+sod(n) for n = 11103420221094 and 11103420221103.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 470412307 + ... + 470435909.

It is an arithmetic number, because the mean of its divisors is an integer number (115012567152).

Almost surely, 2^{11103420221124} is an apocalyptic number.

11103420221124 is a gapful number since it is divisible by the number (14) 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 11103420221124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16561809669888).

11103420221124 is an abundant number, since it is smaller than the sum of its proper divisors (22020199118652).

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

11103420221124 is a wasteful number, since it uses less digits than its factorization.

11103420221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24175 (or 24166 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 11103420221124 its reverse (42112202430111), we get a palindrome (53215622651235).

The spelling of 11103420221124 in words is "eleven trillion, one hundred three billion, four hundred twenty million, two hundred twenty-one thousand, one hundred twenty-four".