221101211141 has 2 divisors, whose sum is σ = 221101211142. Its totient is φ = 221101211140.

The previous prime is 221101211101. The next prime is 221101211189. The reversal of 221101211141 is 141112101122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219014640100 + 2086571041 = 467990^2 + 45679^2 .

It is a cyclic number.

It is not a de Polignac number, because 221101211141 - 2⁶ = 221101211077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221101211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550605570 + 110550605571.

It is an arithmetic number, because the mean of its divisors is an integer number (110550605571).

Almost surely, 2^221101211141 is an apocalyptic number.

It is an amenable number.

221101211141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101211141 is an equidigital number, since it uses as much as digits as its factorization.

221101211141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221101211141 its reverse (141112101122), we get a palindrome (362213312263).

The spelling of 221101211141 in words is "two hundred twenty-one billion, one hundred one million, two hundred eleven thousand, one hundred forty-one".