121012100233201 has 2 divisors, whose sum is σ = 121012100233202. Its totient is φ = 121012100233200.

The previous prime is 121012100233187. The next prime is 121012100233207. The reversal of 121012100233201 is 102332001210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95136321826225 + 25875778406976 = 9753785^2 + 5086824^2 .

It is an emirp because it is prime and its reverse (102332001210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121012100233201 - 2¹¹ = 121012100231153 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012100233207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506050116600 + 60506050116601.

It is an arithmetic number, because the mean of its divisors is an integer number (60506050116601).

Almost surely, 2^{121012100233201} is an apocalyptic number.

It is an amenable number.

121012100233201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012100233201 is an equidigital number, since it uses as much as digits as its factorization.

121012100233201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121012100233201 its reverse (102332001210121), we get a palindrome (223344101443322).

The spelling of 121012100233201 in words is "one hundred twenty-one trillion, twelve billion, one hundred million, two hundred thirty-three thousand, two hundred one".