101321020244 has 12 divisors (see below), whose sum is σ = 186643984800. Its totient is φ = 47994167448.

The previous prime is 101321020237. The next prime is 101321020247. The reversal of 101321020244 is 442020123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321020247) 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, 666585584 + ... + 666585735.

It is an arithmetic number, because the mean of its divisors is an integer number (15553665400).

Almost surely, 2^101321020244 is an apocalyptic number.

It is an amenable number.

101321020244 is a deficient number, since it is larger than the sum of its proper divisors (85322964556).

101321020244 is a wasteful number, since it uses less digits than its factorization.

101321020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333171342 (or 1333171340 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101321020244 its reverse (442020123101), we get a palindrome (543341143345).

The spelling of 101321020244 in words is "one hundred one billion, three hundred twenty-one million, twenty thousand, two hundred forty-four".