1122221110187 has 2 divisors, whose sum is σ = 1122221110188. Its totient is φ = 1122221110186.

The previous prime is 1122221110141. The next prime is 1122221110217. The reversal of 1122221110187 is 7810111222211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7810111222211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122221110187 - 2⁶ = 1122221110123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122221110987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561110555093 + 561110555094.

It is an arithmetic number, because the mean of its divisors is an integer number (561110555094).

Almost surely, 2^{1122221110187} is an apocalyptic number.

1122221110187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122221110187 is an equidigital number, since it uses as much as digits as its factorization.

1122221110187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

Adding to 1122221110187 its reverse (7810111222211), we get a palindrome (8932332332398).

The spelling of 1122221110187 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, one hundred eighty-seven".