1100222001187 has 2 divisors, whose sum is σ = 1100222001188. Its totient is φ = 1100222001186.

The previous prime is 1100222001169. The next prime is 1100222001191. The reversal of 1100222001187 is 7811002220011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100222001187 - 2⁷ = 1100222001059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100222001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550111000593 + 550111000594.

It is an arithmetic number, because the mean of its divisors is an integer number (550111000594).

Almost surely, 2^{1100222001187} is an apocalyptic number.

1100222001187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100222001187 is an equidigital number, since it uses as much as digits as its factorization.

1100222001187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 1100222001187 its reverse (7811002220011), we get a palindrome (8911224221198).

It can be divided in two parts, 110022 and 2001187, that added together give a square (2111209 = 1453²).

The spelling of 1100222001187 in words is "one trillion, one hundred billion, two hundred twenty-two million, one thousand, one hundred eighty-seven".