101210550320 has 80 divisors (see below), whose sum is σ = 257434764192. Its totient is φ = 36699463680.

The previous prime is 101210550319. The next prime is 101210550377. The reversal of 101210550320 is 23055012101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101210550292 and 101210550301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147734 + ... + 473546.

Almost surely, 2^101210550320 is an apocalyptic number.

101210550320 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 101210550320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128717382096).

101210550320 is an abundant number, since it is smaller than the sum of its proper divisors (156224213872).

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

101210550320 is a wasteful number, since it uses less digits than its factorization.

101210550320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326190 (or 326184 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 101210550320 its reverse (23055012101), we get a palindrome (124265562421).

The spelling of 101210550320 in words is "one hundred one billion, two hundred ten million, five hundred fifty thousand, three hundred twenty".