2111303100253 has 2 divisors, whose sum is σ = 2111303100254. Its totient is φ = 2111303100252.

The previous prime is 2111303100161. The next prime is 2111303100293. The reversal of 2111303100253 is 3520013031112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069325582724 + 1041977517529 = 1034082^2 + 1020773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111303100253 is a prime.

It is a super-2 number, since 2×2111303100253² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111303100293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055651550126 + 1055651550127.

It is an arithmetic number, because the mean of its divisors is an integer number (1055651550127).

Almost surely, 2^{2111303100253} is an apocalyptic number.

It is an amenable number.

2111303100253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111303100253 is an equidigital number, since it uses as much as digits as its factorization.

2111303100253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 2111303100253 its reverse (3520013031112), we get a palindrome (5631316131365).

The spelling of 2111303100253 in words is "two trillion, one hundred eleven billion, three hundred three million, one hundred thousand, two hundred fifty-three".