13221123101010 has 48 divisors (see below), whose sum is σ = 37499912798400. Its totient is φ = 3205120751520.

The previous prime is 13221123100981. The next prime is 13221123101057. The reversal of 13221123101010 is 1010132112231.

13221123101010 is a `hidden beast` number, since 1 + 322 + 1 + 12 + 310 + 10 + 10 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6677333910 + ... + 6677335889.

It is an arithmetic number, because the mean of its divisors is an integer number (781248183300).

Almost surely, 2^{13221123101010} is an apocalyptic number.

13221123101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221123101010 is an abundant number, since it is smaller than the sum of its proper divisors (24278789697390).

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

13221123101010 is a wasteful number, since it uses less digits than its factorization.

13221123101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354669823 (or 13354669820 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13221123101010 its reverse (1010132112231), we get a palindrome (14231255213241).

The spelling of 13221123101010 in words is "thirteen trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred one thousand, ten".