10001221323310 has 16 divisors (see below), whose sum is σ = 20573941008096. Its totient is φ = 3428990167968.

The previous prime is 10001221323281. The next prime is 10001221323311. The reversal of 10001221323310 is 1332312210001.

It is a super-2 number, since 2×10001221323310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001221323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71437295097 + ... + 71437295236.

It is an arithmetic number, because the mean of its divisors is an integer number (1285871313006).

Almost surely, 2^{10001221323310} is an apocalyptic number.

10001221323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001221323310 is an abundant number, since it is smaller than the sum of its proper divisors (10572719684786).

10001221323310 is a wasteful number, since it uses less digits than its factorization.

10001221323310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142874590347.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10001221323310 its reverse (1332312210001), we get a palindrome (11333533533311).

The spelling of 10001221323310 in words is "ten trillion, one billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred ten".