221122220107 has 2 divisors, whose sum is σ = 221122220108. Its totient is φ = 221122220106.

The previous prime is 221122220057. The next prime is 221122220167. The reversal of 221122220107 is 701022221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122220107 - 2¹⁵ = 221122187339 is a prime.

It is not a weakly prime, because it can be changed into another prime (221122220167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561110053 + 110561110054.

It is an arithmetic number, because the mean of its divisors is an integer number (110561110054).

Almost surely, 2^221122220107 is an apocalyptic number.

221122220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122220107 is an equidigital number, since it uses as much as digits as its factorization.

221122220107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 221122220107 its reverse (701022221122), we get a palindrome (922144441229).

The spelling of 221122220107 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred seven".