101321013320 has 16 divisors (see below), whose sum is σ = 227972280060. Its totient is φ = 40528405312.

The previous prime is 101321013301. The next prime is 101321013323. The reversal of 101321013320 is 23310123101.

It can be written as a sum of positive squares in 2 ways, for example, as 86917653124 + 14403360196 = 294818^2 + 120014^2 .

It is not an unprimeable number, because it can be changed into a prime (101321013323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266512627 + ... + 1266512706.

Almost surely, 2^101321013320 is an apocalyptic number.

101321013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321013320 is an abundant number, since it is smaller than the sum of its proper divisors (126651266740).

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

101321013320 is a wasteful number, since it uses less digits than its factorization.

101321013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533025344 (or 2533025340 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101321013320 its reverse (23310123101), we get a palindrome (124631136421).

The spelling of 101321013320 in words is "one hundred one billion, three hundred twenty-one million, thirteen thousand, three hundred twenty".