1220211120047 has 2 divisors, whose sum is σ = 1220211120048. Its totient is φ = 1220211120046.

The previous prime is 1220211120017. The next prime is 1220211120127. The reversal of 1220211120047 is 7400211120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211120047 - 2¹² = 1220211115951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105560023 + 610105560024.

It is an arithmetic number, because the mean of its divisors is an integer number (610105560024).

Almost surely, 2^{1220211120047} is an apocalyptic number.

1220211120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211120047 is an equidigital number, since it uses as much as digits as its factorization.

1220211120047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1220211120047 its reverse (7400211120221), we get a palindrome (8620422240268).

The spelling of 1220211120047 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty thousand, forty-seven".