101021031320 has 64 divisors (see below), whose sum is σ = 248005324800. Its totient is φ = 36728311680.

The previous prime is 101021031311. The next prime is 101021031323. The reversal of 101021031320 is 23130120101.

It is a junction number, because it is equal to n+sod(n) for n = 101021031295 and 101021031304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021031323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895017 + ... + 2929703.

It is an arithmetic number, because the mean of its divisors is an integer number (3875083200).

Almost surely, 2^101021031320 is an apocalyptic number.

101021031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021031320 is an abundant number, since it is smaller than the sum of its proper divisors (146984293480).

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

101021031320 is a wasteful number, since it uses less digits than its factorization.

101021031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328 (or 41324 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101021031320 its reverse (23130120101), we get a palindrome (124151151421).

The spelling of 101021031320 in words is "one hundred one billion, twenty-one million, thirty-one thousand, three hundred twenty".