1210201110401 has 2 divisors, whose sum is σ = 1210201110402. Its totient is φ = 1210201110400.

The previous prime is 1210201110337. The next prime is 1210201110413. The reversal of 1210201110401 is 1040111020121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080601830400 + 129599280001 = 1039520^2 + 359999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210201110401 - 2⁶ = 1210201110337 is a prime.

It is a super-3 number, since 3×1210201110401³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1210201110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605100555200 + 605100555201.

It is an arithmetic number, because the mean of its divisors is an integer number (605100555201).

Almost surely, 2^{1210201110401} is an apocalyptic number.

It is an amenable number.

1210201110401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210201110401 is an equidigital number, since it uses as much as digits as its factorization.

1210201110401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210201110401 its reverse (1040111020121), we get a palindrome (2250312130522).

The spelling of 1210201110401 in words is "one trillion, two hundred ten billion, two hundred one million, one hundred ten thousand, four hundred one".