13421010113220 has 384 divisors, whose sum is σ = 40238909706240. Its totient is φ = 3335809720320.

The previous prime is 13421010113207. The next prime is 13421010113243. The reversal of 13421010113220 is 2231101012431.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7362045229 + ... + 7362047051.

It is an arithmetic number, because the mean of its divisors is an integer number (104788827360).

Almost surely, 2^{13421010113220} is an apocalyptic number.

13421010113220 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 13421010113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20119454853120).

13421010113220 is an abundant number, since it is smaller than the sum of its proper divisors (26817899593020).

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

13421010113220 is a wasteful number, since it uses less digits than its factorization.

13421010113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13421010113220 its reverse (2231101012431), we get a palindrome (15652111125651).

The spelling of 13421010113220 in words is "thirteen trillion, four hundred twenty-one billion, ten million, one hundred thirteen thousand, two hundred twenty".