101321604208 has 160 divisors (see below), whose sum is σ = 221462968320. Its totient is φ = 44518656000.

The previous prime is 101321604203. The next prime is 101321604217. The reversal of 101321604208 is 802406123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321604203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194474988 + ... + 194475508.

It is an arithmetic number, because the mean of its divisors is an integer number (1384143552).

Almost surely, 2^101321604208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101321604208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110731484160).

101321604208 is an abundant number, since it is smaller than the sum of its proper divisors (120141364112).

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

101321604208 is a wasteful number, since it uses less digits than its factorization.

101321604208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 101321604208 its reverse (802406123101), we get a palindrome (903727727309).

The spelling of 101321604208 in words is "one hundred one billion, three hundred twenty-one million, six hundred four thousand, two hundred eight".