101321301040 has 40 divisors (see below), whose sum is σ = 237426946560. Its totient is φ = 40209394176.

The previous prime is 101321301031. The next prime is 101321301041. The reversal of 101321301040 is 40103123101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (101321301041) 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, 4976125 + ... + 4996444.

It is an arithmetic number, because the mean of its divisors is an integer number (5935673664).

Almost surely, 2^101321301040 is an apocalyptic number.

101321301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321301040 is an abundant number, since it is smaller than the sum of its proper divisors (136105645520).

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

101321301040 is a wasteful number, since it uses less digits than its factorization.

101321301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972709 (or 9972703 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101321301040 its reverse (40103123101), we get a palindrome (141424424141).

The spelling of 101321301040 in words is "one hundred one billion, three hundred twenty-one million, three hundred one thousand, forty".