1201124430101 has 2 divisors, whose sum is σ = 1201124430102. Its totient is φ = 1201124430100.

The previous prime is 1201124430053. The next prime is 1201124430109. The reversal of 1201124430101 is 1010344211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701826738001 + 499297692100 = 837751^2 + 706610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201124430101 - 2¹⁴ = 1201124413717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201124430109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600562215050 + 600562215051.

It is an arithmetic number, because the mean of its divisors is an integer number (600562215051).

Almost surely, 2^{1201124430101} is an apocalyptic number.

It is an amenable number.

1201124430101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201124430101 is an equidigital number, since it uses as much as digits as its factorization.

1201124430101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1201124430101 its reverse (1010344211021), we get a palindrome (2211468641122).

The spelling of 1201124430101 in words is "one trillion, two hundred one billion, one hundred twenty-four million, four hundred thirty thousand, one hundred one".