11112211010987 has 2 divisors, whose sum is σ = 11112211010988. Its totient is φ = 11112211010986.

The previous prime is 11112211010903. The next prime is 11112211011043. The reversal of 11112211010987 is 78901011221111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112211010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112211010287) 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, 5556105505493 + 5556105505494.

It is an arithmetic number, because the mean of its divisors is an integer number (5556105505494).

Almost surely, 2^{11112211010987} is an apocalyptic number.

11112211010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112211010987 is an equidigital number, since it uses as much as digits as its factorization.

11112211010987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 35.

The spelling of 11112211010987 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, ten thousand, nine hundred eighty-seven".