101011320 has 64 divisors (see below), whose sum is σ = 336708000. Its totient is φ = 26936064.

The previous prime is 101011307. The next prime is 101011327. The reversal of 101011320 is 23110101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45685 + ... + 47844.

Almost surely, 2^101011320 is an apocalyptic number.

101011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011320 is an abundant number, since it is smaller than the sum of its proper divisors (235696680).

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

101011320 is a wasteful number, since it uses less digits than its factorization.

101011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93549 (or 93539 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101011320 is about 10050.4387963909. The cubic root of 101011320 is about 465.7183485950.

Adding to 101011320 its reverse (23110101), we get a palindrome (124121421).

The spelling of 101011320 in words is "one hundred one million, eleven thousand, three hundred twenty".