10120321427 has 2 divisors, whose sum is σ = 10120321428. Its totient is φ = 10120321426.

The previous prime is 10120321381. The next prime is 10120321447. The reversal of 10120321427 is 72412302101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10120321427 - 2¹⁸ = 10120059283 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120321447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060160713 + 5060160714.

It is an arithmetic number, because the mean of its divisors is an integer number (5060160714).

Almost surely, 2^10120321427 is an apocalyptic number.

10120321427 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120321427 is an equidigital number, since it uses as much as digits as its factorization.

10120321427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10120321427 its reverse (72412302101), we get a palindrome (82532623528).

The spelling of 10120321427 in words is "ten billion, one hundred twenty million, three hundred twenty-one thousand, four hundred twenty-seven".