1203434013101 has 2 divisors, whose sum is σ = 1203434013102. Its totient is φ = 1203434013100.

The previous prime is 1203434013097. The next prime is 1203434013113. The reversal of 1203434013101 is 1013104343021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698302566025 + 505131447076 = 835645^2 + 710726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203434013101 - 2² = 1203434013097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203434013151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601717006550 + 601717006551.

It is an arithmetic number, because the mean of its divisors is an integer number (601717006551).

Almost surely, 2^{1203434013101} is an apocalyptic number.

It is an amenable number.

1203434013101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203434013101 is an equidigital number, since it uses as much as digits as its factorization.

1203434013101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1203434013101 its reverse (1013104343021), we get a palindrome (2216538356122).

The spelling of 1203434013101 in words is "one trillion, two hundred three billion, four hundred thirty-four million, thirteen thousand, one hundred one".