101321231130020 has 96 divisors (see below), whose sum is σ = 232764918454656. Its totient is φ = 36741498393600.

The previous prime is 101321231130017. The next prime is 101321231130043. The reversal of 101321231130020 is 20031132123101.

It is a happy number.

It is a super-2 number, since 2×101321231130020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101321231129974 and 101321231130001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113301440 + ... + 114192200.

It is an arithmetic number, because the mean of its divisors is an integer number (2424634567236).

Almost surely, 2^{101321231130020} is an apocalyptic number.

101321231130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321231130020 is an abundant number, since it is smaller than the sum of its proper divisors (131443687324636).

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

101321231130020 is a wasteful number, since it uses less digits than its factorization.

101321231130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892221 (or 892219 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101321231130020 its reverse (20031132123101), we get a palindrome (121352363253121).

The spelling of 101321231130020 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, twenty".