100320021001027 has 2 divisors, whose sum is σ = 100320021001028. Its totient is φ = 100320021001026.

The previous prime is 100320021001019. The next prime is 100320021001037. The reversal of 100320021001027 is 720100120023001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100320021001027 - 2³ = 100320021001019 is a prime.

It is a super-2 number, since 2×100320021001027² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100320021000995 and 100320021001013.

It is not a weakly prime, because it can be changed into another prime (100320021001037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160010500513 + 50160010500514.

It is an arithmetic number, because the mean of its divisors is an integer number (50160010500514).

Almost surely, 2^{100320021001027} is an apocalyptic number.

100320021001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

100320021001027 is an equidigital number, since it uses as much as digits as its factorization.

100320021001027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 100320021001027 its reverse (720100120023001), we get a palindrome (820420141024028).

The spelling of 100320021001027 in words is "one hundred trillion, three hundred twenty billion, twenty-one million, one thousand, twenty-seven".