1201110100097 has 2 divisors, whose sum is σ = 1201110100098. Its totient is φ = 1201110100096.

The previous prime is 1201110100081. The next prime is 1201110100133. The reversal of 1201110100097 is 7900010111021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749914432576 + 451195667521 = 865976^2 + 671711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201110100097 - 2⁴ = 1201110100081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201110100027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555050048 + 600555050049.

It is an arithmetic number, because the mean of its divisors is an integer number (600555050049).

Almost surely, 2^{1201110100097} is an apocalyptic number.

It is an amenable number.

1201110100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201110100097 is an equidigital number, since it uses as much as digits as its factorization.

1201110100097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 1201110100097 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred thousand, ninety-seven".