1011211334461 has 2 divisors, whose sum is σ = 1011211334462. Its totient is φ = 1011211334460.

The previous prime is 1011211334383. The next prime is 1011211334503. The reversal of 1011211334461 is 1644331121101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003693404025 + 7517930436 = 1001845^2 + 86706^2 .

It is an emirp because it is prime and its reverse (1644331121101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011211334461 - 2⁷ = 1011211334333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011211331461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605667230 + 505605667231.

It is an arithmetic number, because the mean of its divisors is an integer number (505605667231).

Almost surely, 2^{1011211334461} is an apocalyptic number.

It is an amenable number.

1011211334461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011211334461 is an equidigital number, since it uses as much as digits as its factorization.

1011211334461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 1011211334461 its reverse (1644331121101), we get a palindrome (2655542455562).

The spelling of 1011211334461 in words is "one trillion, eleven billion, two hundred eleven million, three hundred thirty-four thousand, four hundred sixty-one".