21220211011141 has 2 divisors, whose sum is σ = 21220211011142. Its totient is φ = 21220211011140.

The previous prime is 21220211011121. The next prime is 21220211011151. The reversal of 21220211011141 is 14111011202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857380862916 + 10362830148225 = 3295054^2 + 3219135^2 .

It is a cyclic number.

It is not a de Polignac number, because 21220211011141 - 2²¹ = 21220208913989 is a prime.

It is a super-2 number, since 2×21220211011141² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21220211011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610105505570 + 10610105505571.

It is an arithmetic number, because the mean of its divisors is an integer number (10610105505571).

Almost surely, 2^{21220211011141} is an apocalyptic number.

It is an amenable number.

21220211011141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21220211011141 is an equidigital number, since it uses as much as digits as its factorization.

21220211011141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 21220211011141 its reverse (14111011202212), we get a palindrome (35331222213353).

The spelling of 21220211011141 in words is "twenty-one trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, one hundred forty-one".