100240123421027 has 2 divisors, whose sum is σ = 100240123421028. Its totient is φ = 100240123421026.

The previous prime is 100240123420973. The next prime is 100240123421059. The reversal of 100240123421027 is 720124321042001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100240123421027 - 2³² = 100235828453731 is a prime.

It is not a weakly prime, because it can be changed into another prime (100240123420027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50120061710513 + 50120061710514.

It is an arithmetic number, because the mean of its divisors is an integer number (50120061710514).

Almost surely, 2^{100240123421027} is an apocalyptic number.

100240123421027 is a deficient number, since it is larger than the sum of its proper divisors (1).

100240123421027 is an equidigital number, since it uses as much as digits as its factorization.

100240123421027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 100240123421027 its reverse (720124321042001), we get a palindrome (820364444463028).

The spelling of 100240123421027 in words is "one hundred trillion, two hundred forty billion, one hundred twenty-three million, four hundred twenty-one thousand, twenty-seven".