221012210211041 has 2 divisors, whose sum is σ = 221012210211042. Its totient is φ = 221012210211040.

The previous prime is 221012210210993. The next prime is 221012210211103. The reversal of 221012210211041 is 140112012210122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220834341366016 + 177868845025 = 14860496^2 + 421745^2 .

It is a cyclic number.

It is not a de Polignac number, because 221012210211041 - 2²² = 221012206016737 is a prime.

It is not a weakly prime, because it can be changed into another prime (221012210261041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110506105105520 + 110506105105521.

It is an arithmetic number, because the mean of its divisors is an integer number (110506105105521).

Almost surely, 2^{221012210211041} is an apocalyptic number.

It is an amenable number.

221012210211041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221012210211041 is an equidigital number, since it uses as much as digits as its factorization.

221012210211041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221012210211041 its reverse (140112012210122), we get a palindrome (361124222421163).

The spelling of 221012210211041 in words is "two hundred twenty-one trillion, twelve billion, two hundred ten million, two hundred eleven thousand, forty-one".