1101121212099 has 4 divisors (see below), whose sum is σ = 1468161616136. Its totient is φ = 734080808064.

The previous prime is 1101121212067. The next prime is 1101121212161. The reversal of 1101121212099 is 9902121211011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1101121212099 - 2⁵ = 1101121212067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101121212049) 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 in 3 ways as a sum of consecutive naturals, for example, 183520202014 + ... + 183520202019.

It is an arithmetic number, because the mean of its divisors is an integer number (367040404034).

Almost surely, 2^{1101121212099} is an apocalyptic number.

1101121212099 is a deficient number, since it is larger than the sum of its proper divisors (367040404037).

1101121212099 is an equidigital number, since it uses as much as digits as its factorization.

1101121212099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367040404036.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 1101121212099 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, ninety-nine".