13211021120 has 112 divisors (see below), whose sum is σ = 34802649216. Its totient is φ = 4736256000.

The previous prime is 13211021099. The next prime is 13211021141. The reversal of 13211021120 is 2112011231.

It is an interprime number because it is at equal distance from previous prime (13211021099) and next prime (13211021141).

It is a junction number, because it is equal to n+sod(n) for n = 13211021095 and 13211021104.

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, 223490 + ... + 276350.

Almost surely, 2^13211021120 is an apocalyptic number.

13211021120 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 13211021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17401324608).

13211021120 is an abundant number, since it is smaller than the sum of its proper divisors (21591628096).

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

13211021120 is a wasteful number, since it uses less digits than its factorization.

13211021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52960 (or 52950 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13211021120 its reverse (2112011231), we get a palindrome (15323032351).

The spelling of 13211021120 in words is "thirteen billion, two hundred eleven million, twenty-one thousand, one hundred twenty".