1031221022047 has 2 divisors, whose sum is σ = 1031221022048. Its totient is φ = 1031221022046.

The previous prime is 1031221021997. The next prime is 1031221022059. The reversal of 1031221022047 is 7402201221301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031221022047 - 2¹⁹ = 1031220497759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031221022647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515610511023 + 515610511024.

It is an arithmetic number, because the mean of its divisors is an integer number (515610511024).

Almost surely, 2^{1031221022047} is an apocalyptic number.

1031221022047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031221022047 is an equidigital number, since it uses as much as digits as its factorization.

1031221022047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 1031221022047 its reverse (7402201221301), we get a palindrome (8433422243348).

The spelling of 1031221022047 in words is "one trillion, thirty-one billion, two hundred twenty-one million, twenty-two thousand, forty-seven".