1111010021279 has 2 divisors, whose sum is σ = 1111010021280. Its totient is φ = 1111010021278.

The previous prime is 1111010021201. The next prime is 1111010021393. The reversal of 1111010021279 is 9721200101111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111010021279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111010020279) 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, 555505010639 + 555505010640.

It is an arithmetic number, because the mean of its divisors is an integer number (555505010640).

Almost surely, 2^{1111010021279} is an apocalyptic number.

1111010021279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111010021279 is an equidigital number, since it uses as much as digits as its factorization.

1111010021279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 1111010021279 in words is "one trillion, one hundred eleven billion, ten million, twenty-one thousand, two hundred seventy-nine".