13221122010 has 32 divisors (see below), whose sum is σ = 31783708800. Its totient is φ = 3519741888.

The previous prime is 13221122009. The next prime is 13221122023. The reversal of 13221122010 is 1022112231.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 349897 + ... + 385836.

It is an arithmetic number, because the mean of its divisors is an integer number (993240900).

Almost surely, 2^13221122010 is an apocalyptic number.

13221122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221122010 is an abundant number, since it is smaller than the sum of its proper divisors (18562586790).

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

13221122010 is a wasteful number, since it uses less digits than its factorization.

13221122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736342.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13221122010 its reverse (1022112231), we get a palindrome (14243234241).

The spelling of 13221122010 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-two thousand, ten".