101321100000 has 432 divisors, whose sum is σ = 363971016864. Its totient is φ = 26732160000.

The previous prime is 101321099989. The next prime is 101321100017. The reversal of 101321100000 is 1123101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 92699454 + ... + 92700546.

It is an arithmetic number, because the mean of its divisors is an integer number (842525502).

Almost surely, 2^101321100000 is an apocalyptic number.

101321100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101321100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181985508432).

101321100000 is an abundant number, since it is smaller than the sum of its proper divisors (262649916864).

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

101321100000 is a wasteful number, since it uses less digits than its factorization.

101321100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 101321100000 its reverse (1123101), we get a palindrome (101322223101).

The spelling of 101321100000 in words is "one hundred one billion, three hundred twenty-one million, one hundred thousand".