2100120221041 has 2 divisors, whose sum is σ = 2100120221042. Its totient is φ = 2100120221040.

The previous prime is 2100120220981. The next prime is 2100120221051. The reversal of 2100120221041 is 1401220210012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2071872360000 + 28247861041 = 1439400^2 + 168071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100120221041 - 2¹³ = 2100120212849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100120221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050060110520 + 1050060110521.

It is an arithmetic number, because the mean of its divisors is an integer number (1050060110521).

Almost surely, 2^{2100120221041} is an apocalyptic number.

It is an amenable number.

2100120221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100120221041 is an equidigital number, since it uses as much as digits as its factorization.

2100120221041 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 16.

Adding to 2100120221041 its reverse (1401220210012), we get a palindrome (3501340431053).

The spelling of 2100120221041 in words is "two trillion, one hundred billion, one hundred twenty million, two hundred twenty-one thousand, forty-one".