121012101001201 has 2 divisors, whose sum is σ = 121012101001202. Its totient is φ = 121012101001200.

The previous prime is 121012101001177. The next prime is 121012101001241. The reversal of 121012101001201 is 102100101210121.

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., 119797928410176 + 1214172591025 = 10945224^2 + 1101895^2 .

It is a cyclic number.

It is not a de Polignac number, because 121012101001201 - 2⁹ = 121012101000689 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012101001241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506050500600 + 60506050500601.

It is an arithmetic number, because the mean of its divisors is an integer number (60506050500601).

Almost surely, 2^{121012101001201} is an apocalyptic number.

It is an amenable number.

121012101001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012101001201 is an equidigital number, since it uses as much as digits as its factorization.

121012101001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121012101001201 its reverse (102100101210121), we get a palindrome (223112202211322).

The spelling of 121012101001201 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one thousand, two hundred one".