2011220220047 has 2 divisors, whose sum is σ = 2011220220048. Its totient is φ = 2011220220046.

The previous prime is 2011220220043. The next prime is 2011220220133. The reversal of 2011220220047 is 7400220221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011220220047 - 2² = 2011220220043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011220220043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610110023 + 1005610110024.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610110024).

Almost surely, 2^{2011220220047} is an apocalyptic number.

2011220220047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011220220047 is an equidigital number, since it uses as much as digits as its factorization.

2011220220047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 2011220220047 its reverse (7400220221102), we get a palindrome (9411440441149).

The spelling of 2011220220047 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty thousand, forty-seven".