100320042121532 has 12 divisors (see below), whose sum is σ = 175682075163840. Its totient is φ = 50125163503296.

The previous prime is 100320042121501. The next prime is 100320042121549. The reversal of 100320042121532 is 235121240023001.

It is a super-2 number, since 2×100320042121532² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714382893 + ... + 8714394404.

It is an arithmetic number, because the mean of its divisors is an integer number (14640172930320).

Almost surely, 2^{100320042121532} is an apocalyptic number.

It is an amenable number.

100320042121532 is a deficient number, since it is larger than the sum of its proper divisors (75362033042308).

100320042121532 is a wasteful number, since it uses less digits than its factorization.

100320042121532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428778740 (or 17428778738 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 100320042121532 its reverse (235121240023001), we get a palindrome (335441282144533).

The spelling of 100320042121532 in words is "one hundred trillion, three hundred twenty billion, forty-two million, one hundred twenty-one thousand, five hundred thirty-two".