2110121210269 has 2 divisors, whose sum is σ = 2110121210270. Its totient is φ = 2110121210268.

The previous prime is 2110121210203. The next prime is 2110121210279. The reversal of 2110121210269 is 9620121210112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1154898414244 + 955222796025 = 1074662^2 + 977355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110121210269 is a prime.

It is a super-2 number, since 2×2110121210269² (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 (2110121210279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055060605134 + 1055060605135.

It is an arithmetic number, because the mean of its divisors is an integer number (1055060605135).

Almost surely, 2^{2110121210269} is an apocalyptic number.

It is an amenable number.

2110121210269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110121210269 is an equidigital number, since it uses as much as digits as its factorization.

2110121210269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 2110121210269 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred sixty-nine".