101011220320 has 24 divisors (see below), whose sum is σ = 238639008384. Its totient is φ = 40404488064.

The previous prime is 101011220309. The next prime is 101011220327. The reversal of 101011220320 is 23022110101.

It is a self number, because there is not a number n which added to its sum of digits gives 101011220320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011220327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315659904 + ... + 315660223.

It is an arithmetic number, because the mean of its divisors is an integer number (9943292016).

Almost surely, 2^101011220320 is an apocalyptic number.

101011220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011220320 is an abundant number, since it is smaller than the sum of its proper divisors (137627788064).

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

101011220320 is an equidigital number, since it uses as much as digits as its factorization.

101011220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631320142 (or 631320134 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101011220320 its reverse (23022110101), we get a palindrome (124033330421).

The spelling of 101011220320 in words is "one hundred one billion, eleven million, two hundred twenty thousand, three hundred twenty".