203330230121101 has 2 divisors, whose sum is σ = 203330230121102. Its totient is φ = 203330230121100.

The previous prime is 203330230121069. The next prime is 203330230121143. The reversal of 203330230121101 is 101121032033302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202127325688201 + 1202904432900 = 14217149^2 + 1096770^2 .

It is a cyclic number.

It is not a de Polignac number, because 203330230121101 - 2⁵ = 203330230121069 is a prime.

It is a super-2 number, since 2×203330230121101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203330230121701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101665115060550 + 101665115060551.

It is an arithmetic number, because the mean of its divisors is an integer number (101665115060551).

Almost surely, 2^{203330230121101} is an apocalyptic number.

It is an amenable number.

203330230121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

203330230121101 is an equidigital number, since it uses as much as digits as its factorization.

203330230121101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 203330230121101 its reverse (101121032033302), we get a palindrome (304451262154403).

The spelling of 203330230121101 in words is "two hundred three trillion, three hundred thirty billion, two hundred thirty million, one hundred twenty-one thousand, one hundred one".