101331213213320 has 32 divisors (see below), whose sum is σ = 228038175250200. Its totient is φ = 40524850526208.

The previous prime is 101331213213299. The next prime is 101331213213403. The reversal of 101331213213320 is 23312312133101.

It can be written as a sum of positive squares in 4 ways, for example, as 70253464846756 + 31077748366564 = 8381734^2 + 5574742^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101331213213320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238371209 + ... + 238795928.

Almost surely, 2^{101331213213320} is an apocalyptic number.

101331213213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101331213213320 is an abundant number, since it is smaller than the sum of its proper divisors (126706962036880).

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

101331213213320 is a wasteful number, since it uses less digits than its factorization.

101331213213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477172457 (or 477172453 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 101331213213320 its reverse (23312312133101), we get a palindrome (124643525346421).

The spelling of 101331213213320 in words is "one hundred one trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred thirteen thousand, three hundred twenty".