101302120397 has 2 divisors, whose sum is σ = 101302120398. Its totient is φ = 101302120396.

The previous prime is 101302120379. The next prime is 101302120421. The reversal of 101302120397 is 793021203101.

Together with previous prime (101302120379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61769149156 + 39532971241 = 248534^2 + 198829^2 .

It is a cyclic number.

It is not a de Polignac number, because 101302120397 - 2¹⁸ = 101301858253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101302120597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50651060198 + 50651060199.

It is an arithmetic number, because the mean of its divisors is an integer number (50651060199).

Almost surely, 2^101302120397 is an apocalyptic number.

It is an amenable number.

101302120397 is a deficient number, since it is larger than the sum of its proper divisors (1).

101302120397 is an equidigital number, since it uses as much as digits as its factorization.

101302120397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 101302120397 its reverse (793021203101), we get a palindrome (894323323498).

The spelling of 101302120397 in words is "one hundred one billion, three hundred two million, one hundred twenty thousand, three hundred ninety-seven".