2103021269 has 2 divisors, whose sum is σ = 2103021270. Its totient is φ = 2103021268.

The previous prime is 2103021247. The next prime is 2103021337. The reversal of 2103021269 is 9621203012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970472100 + 132549169 = 44390^2 + 11513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103021269 - 2¹² = 2103017173 is a prime.

It is a super-2 number, since 2×2103021269² = 8845396915732740722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103011269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051510634 + 1051510635.

It is an arithmetic number, because the mean of its divisors is an integer number (1051510635).

Almost surely, 2^2103021269 is an apocalyptic number.

It is an amenable number.

2103021269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103021269 is an equidigital number, since it uses as much as digits as its factorization.

2103021269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2103021269 is about 45858.7098488390. The cubic root of 2103021269 is about 1281.1929935882.

The spelling of 2103021269 in words is "two billion, one hundred three million, twenty-one thousand, two hundred sixty-nine".