1021201120711 has 2 divisors, whose sum is σ = 1021201120712. Its totient is φ = 1021201120710.

The previous prime is 1021201120673. The next prime is 1021201120741. The reversal of 1021201120711 is 1170211021201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021201120711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021201120741) 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, 510600560355 + 510600560356.

It is an arithmetic number, because the mean of its divisors is an integer number (510600560356).

Almost surely, 2^{1021201120711} is an apocalyptic number.

1021201120711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021201120711 is an equidigital number, since it uses as much as digits as its factorization.

1021201120711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 1021201120711 its reverse (1170211021201), we get a palindrome (2191412141912).

The spelling of 1021201120711 in words is "one trillion, twenty-one billion, two hundred one million, one hundred twenty thousand, seven hundred eleven".