221201201141 has 2 divisors, whose sum is σ = 221201201142. Its totient is φ = 221201201140.

The previous prime is 221201201113. The next prime is 221201201153. The reversal of 221201201141 is 141102102122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216178502500 + 5022698641 = 464950^2 + 70871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221201201141 is a prime.

It is a super-2 number, since 2×221201201141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221201201941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600600570 + 110600600571.

It is an arithmetic number, because the mean of its divisors is an integer number (110600600571).

Almost surely, 2^221201201141 is an apocalyptic number.

It is an amenable number.

221201201141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221201201141 is an equidigital number, since it uses as much as digits as its factorization.

221201201141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221201201141 its reverse (141102102122), we get a palindrome (362303303263).

The spelling of 221201201141 in words is "two hundred twenty-one billion, two hundred one million, two hundred one thousand, one hundred forty-one".