101321100021200 has 120 divisors (see below), whose sum is σ = 257256593586720. Its totient is φ = 38242393920000.

The previous prime is 101321100021103. The next prime is 101321100021263. The reversal of 101321100021200 is 2120001123101.

It is a congruent number.

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, 24649619 + ... + 28464818.

It is an arithmetic number, because the mean of its divisors is an integer number (2143804946556).

Almost surely, 2^{101321100021200} is an apocalyptic number.

101321100021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321100021200 is an abundant number, since it is smaller than the sum of its proper divisors (155935493565520).

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

101321100021200 is a wasteful number, since it uses less digits than its factorization.

101321100021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53114725 (or 53114714 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101321100021200 its reverse (2120001123101), we get a palindrome (103441101144301).

The spelling of 101321100021200 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred million, twenty-one thousand, two hundred".