111211022000987 has 2 divisors, whose sum is σ = 111211022000988. Its totient is φ = 111211022000986.

The previous prime is 111211022000983. The next prime is 111211022000989. The reversal of 111211022000987 is 789000220112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111211022000987 - 2² = 111211022000983 is a prime.

Together with 111211022000989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111211022000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605511000493 + 55605511000494.

It is an arithmetic number, because the mean of its divisors is an integer number (55605511000494).

Almost surely, 2^{111211022000987} is an apocalyptic number.

111211022000987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211022000987 is an equidigital number, since it uses as much as digits as its factorization.

111211022000987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 111211022000987 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-two million, nine hundred eighty-seven", and thus it is an aban number.