21224056010141 has 2 divisors, whose sum is σ = 21224056010142. Its totient is φ = 21224056010140.

The previous prime is 21224056010119. The next prime is 21224056010219. The reversal of 21224056010141 is 14101065042212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14504321870116 + 6719734140025 = 3808454^2 + 2592245^2 .

It is a cyclic number.

It is not a de Polignac number, because 21224056010141 - 2⁴² = 16826009499037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21224056010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10612028005070 + 10612028005071.

It is an arithmetic number, because the mean of its divisors is an integer number (10612028005071).

Almost surely, 2^{21224056010141} is an apocalyptic number.

It is an amenable number.

21224056010141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21224056010141 is an equidigital number, since it uses as much as digits as its factorization.

21224056010141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 21224056010141 in words is "twenty-one trillion, two hundred twenty-four billion, fifty-six million, ten thousand, one hundred forty-one".