1100030121187 has 2 divisors, whose sum is σ = 1100030121188. Its totient is φ = 1100030121186.

The previous prime is 1100030121149. The next prime is 1100030121241. The reversal of 1100030121187 is 7811210300011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100030121187 - 2¹⁵ = 1100030088419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100030721187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550015060593 + 550015060594.

It is an arithmetic number, because the mean of its divisors is an integer number (550015060594).

Almost surely, 2^{1100030121187} is an apocalyptic number.

1100030121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100030121187 is an equidigital number, since it uses as much as digits as its factorization.

1100030121187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 1100030121187 its reverse (7811210300011), we get a palindrome (8911240421198).

The spelling of 1100030121187 in words is "one trillion, one hundred billion, thirty million, one hundred twenty-one thousand, one hundred eighty-seven".