11213421120 has 336 divisors, whose sum is σ = 42280392960. Its totient is φ = 2705203200.

The previous prime is 11213421113. The next prime is 11213421199. The reversal of 11213421120 is 2112431211.

11213421120 is a `hidden beast` number, since 1 + 121 + 3 + 421 + 120 = 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 = 11213421093 and 11213421102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7570780 + ... + 7572260.

Almost surely, 2^11213421120 is an apocalyptic number.

11213421120 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 11213421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21140196480).

11213421120 is an abundant number, since it is smaller than the sum of its proper divisors (31066971840).

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

11213421120 is a wasteful number, since it uses less digits than its factorization.

11213421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11213421120 its reverse (2112431211), we get a palindrome (13325852331).

The spelling of 11213421120 in words is "eleven billion, two hundred thirteen million, four hundred twenty-one thousand, one hundred twenty".