1012211111047 has 2 divisors, whose sum is σ = 1012211111048. Its totient is φ = 1012211111046.

The previous prime is 1012211111011. The next prime is 1012211111077. The reversal of 1012211111047 is 7401111122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012211111047 - 2¹¹ = 1012211108999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012211111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105555523 + 506105555524.

It is an arithmetic number, because the mean of its divisors is an integer number (506105555524).

Almost surely, 2^{1012211111047} is an apocalyptic number.

1012211111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012211111047 is an equidigital number, since it uses as much as digits as its factorization.

1012211111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 1012211111047 its reverse (7401111122101), we get a palindrome (8413322233148).

The spelling of 1012211111047 in words is "one trillion, twelve billion, two hundred eleven million, one hundred eleven thousand, forty-seven".