2111003021279 has 2 divisors, whose sum is σ = 2111003021280. Its totient is φ = 2111003021278.

The previous prime is 2111003021261. The next prime is 2111003021341. The reversal of 2111003021279 is 9721203001112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111003021279 - 2²⁴ = 2110986244063 is a prime.

It is a super-2 number, since 2×2111003021279² (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 (2111003021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055501510639 + 1055501510640.

It is an arithmetic number, because the mean of its divisors is an integer number (1055501510640).

Almost surely, 2^{2111003021279} is an apocalyptic number.

2111003021279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111003021279 is an equidigital number, since it uses as much as digits as its factorization.

2111003021279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 2111003021279 in words is "two trillion, one hundred eleven billion, three million, twenty-one thousand, two hundred seventy-nine".