13102221321000 has 384 divisors, whose sum is σ = 50632839129600. Its totient is φ = 2993560934400.

The previous prime is 13102221320971. The next prime is 13102221321001. The reversal of 13102221321000 is 12312220131.

13102221321000 is a `hidden beast` number, since 1 + 310 + 2 + 221 + 32 + 100 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (13102221321001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157647456 + ... + 157730544.

It is an arithmetic number, because the mean of its divisors is an integer number (131856351900).

Almost surely, 2^{13102221321000} is an apocalyptic number.

13102221321000 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 13102221321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25316419564800).

13102221321000 is an abundant number, since it is smaller than the sum of its proper divisors (37530617808600).

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

13102221321000 is a wasteful number, since it uses less digits than its factorization.

13102221321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85626 (or 85609 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13102221321000 its reverse (12312220131), we get a palindrome (13114533541131).

The spelling of 13102221321000 in words is "thirteen trillion, one hundred two billion, two hundred twenty-one million, three hundred twenty-one thousand".