221103331000187 has 2 divisors, whose sum is σ = 221103331000188. Its totient is φ = 221103331000186.

The previous prime is 221103331000129. The next prime is 221103331000231. The reversal of 221103331000187 is 781000133301122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221103331000187 - 2¹² = 221103330996091 is a prime.

It is not a weakly prime, because it can be changed into another prime (221103331000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551665500093 + 110551665500094.

It is an arithmetic number, because the mean of its divisors is an integer number (110551665500094).

Almost surely, 2^{221103331000187} is an apocalyptic number.

221103331000187 is a deficient number, since it is larger than the sum of its proper divisors (1).

221103331000187 is an equidigital number, since it uses as much as digits as its factorization.

221103331000187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 221103331000187 in words is "two hundred twenty-one trillion, one hundred three billion, three hundred thirty-one million, one hundred eighty-seven", and thus it is an aban number.