1211134214201 has 2 divisors, whose sum is σ = 1211134214202. Its totient is φ = 1211134214200.

The previous prime is 1211134214197. The next prime is 1211134214219. The reversal of 1211134214201 is 1024124311121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1178364525625 + 32769688576 = 1085525^2 + 181024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211134214201 - 2² = 1211134214197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211134214261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605567107100 + 605567107101.

It is an arithmetic number, because the mean of its divisors is an integer number (605567107101).

Almost surely, 2^{1211134214201} is an apocalyptic number.

It is an amenable number.

1211134214201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211134214201 is an equidigital number, since it uses as much as digits as its factorization.

1211134214201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1211134214201 its reverse (1024124311121), we get a palindrome (2235258525322).

The spelling of 1211134214201 in words is "one trillion, two hundred eleven billion, one hundred thirty-four million, two hundred fourteen thousand, two hundred one".