2121200302153 has 2 divisors, whose sum is σ = 2121200302154. Its totient is φ = 2121200302152.

The previous prime is 2121200302141. The next prime is 2121200302159. The reversal of 2121200302153 is 3512030021212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2116830034489 + 4370267664 = 1454933^2 + 66108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121200302153 - 2¹⁷ = 2121200171081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121200302159) 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, 1060600151076 + 1060600151077.

It is an arithmetic number, because the mean of its divisors is an integer number (1060600151077).

Almost surely, 2^{2121200302153} is an apocalyptic number.

It is an amenable number.

2121200302153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121200302153 is an equidigital number, since it uses as much as digits as its factorization.

2121200302153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 2121200302153 its reverse (3512030021212), we get a palindrome (5633230323365).

The spelling of 2121200302153 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred two thousand, one hundred fifty-three".