253430342220101 has 2 divisors, whose sum is σ = 253430342220102. Its totient is φ = 253430342220100.

The previous prime is 253430342219947. The next prime is 253430342220103. The reversal of 253430342220101 is 101022243034352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219669896200225 + 33760446019876 = 14821265^2 + 5810374^2 .

It is a cyclic number.

It is not a de Polignac number, because 253430342220101 - 2¹⁸ = 253430341957957 is a prime.

Together with 253430342220103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253430342220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126715171110050 + 126715171110051.

It is an arithmetic number, because the mean of its divisors is an integer number (126715171110051).

Almost surely, 2^{253430342220101} is an apocalyptic number.

It is an amenable number.

253430342220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

253430342220101 is an equidigital number, since it uses as much as digits as its factorization.

253430342220101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 253430342220101 its reverse (101022243034352), we get a palindrome (354452585254453).

The spelling of 253430342220101 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred forty-two million, two hundred twenty thousand, one hundred one".