100320042121352 has 16 divisors (see below), whose sum is σ = 194586288597900. Its totient is φ = 48430365161920.

The previous prime is 100320042121291. The next prime is 100320042121357. The reversal of 100320042121352 is 253121240023001.

It can be written as a sum of positive squares in 2 ways, for example, as 87273599257156 + 13046442864196 = 9342034^2 + 3611986^2 .

It is a super-2 number, since 2×100320042121352² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100320042121357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216206987099 + ... + 216206987562.

Almost surely, 2^{100320042121352} is an apocalyptic number.

It is an amenable number.

100320042121352 is a deficient number, since it is larger than the sum of its proper divisors (94266246476548).

100320042121352 is a wasteful number, since it uses less digits than its factorization.

100320042121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432413974696 (or 432413974692 counting only the distinct ones).

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

Adding to 100320042121352 its reverse (253121240023001), we get a palindrome (353441282144353).

The spelling of 100320042121352 in words is "one hundred trillion, three hundred twenty billion, forty-two million, one hundred twenty-one thousand, three hundred fifty-two".