1012221002141 has 2 divisors, whose sum is σ = 1012221002142. Its totient is φ = 1012221002140.

The previous prime is 1012221002099. The next prime is 1012221002173. The reversal of 1012221002141 is 1412001222101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 951510506116 + 60710496025 = 975454^2 + 246395^2 .

It is an emirp because it is prime and its reverse (1412001222101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012221002141 - 2¹⁸ = 1012220739997 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 (1012221002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110501070 + 506110501071.

It is an arithmetic number, because the mean of its divisors is an integer number (506110501071).

Almost surely, 2^{1012221002141} is an apocalyptic number.

It is an amenable number.

1012221002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012221002141 is an equidigital number, since it uses as much as digits as its factorization.

1012221002141 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 17.

Adding to 1012221002141 its reverse (1412001222101), we get a palindrome (2424222224242).

The spelling of 1012221002141 in words is "one trillion, twelve billion, two hundred twenty-one million, two thousand, one hundred forty-one".