1100122212187 has 2 divisors, whose sum is σ = 1100122212188. Its totient is φ = 1100122212186.

The previous prime is 1100122212169. The next prime is 1100122212223. The reversal of 1100122212187 is 7812122210011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100122212187 - 2³⁵ = 1065762473819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100122212487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550061106093 + 550061106094.

It is an arithmetic number, because the mean of its divisors is an integer number (550061106094).

Almost surely, 2^{1100122212187} is an apocalyptic number.

1100122212187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100122212187 is an equidigital number, since it uses as much as digits as its factorization.

1100122212187 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 28.

Adding to 1100122212187 its reverse (7812122210011), we get a palindrome (8912244422198).

The spelling of 1100122212187 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred eighty-seven".