101123120320 has 28 divisors (see below), whose sum is σ = 240799431024. Its totient is φ = 40449248000.

The previous prime is 101123120317. The next prime is 101123120369. The reversal of 101123120320 is 23021321101.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 101123120294 and 101123120303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158004556 + ... + 158005195.

Almost surely, 2^101123120320 is an apocalyptic number.

101123120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123120320 is an abundant number, since it is smaller than the sum of its proper divisors (139676310704).

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

101123120320 is an equidigital number, since it uses as much as digits as its factorization.

101123120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316009768 (or 316009758 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101123120320 its reverse (23021321101), we get a palindrome (124144441421).

The spelling of 101123120320 in words is "one hundred one billion, one hundred twenty-three million, one hundred twenty thousand, three hundred twenty".