1102012099 has 4 divisors (see below), whose sum is σ = 1102090264. Its totient is φ = 1101933936.

The previous prime is 1102012069. The next prime is 1102012129. The reversal of 1102012099 is 9902102011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9902102011 = 32401 ⋅305611.

It is an interprime number because it is at equal distance from previous prime (1102012069) and next prime (1102012129).

It is a cyclic number.

It is not a de Polignac number, because 1102012099 - 2¹³ = 1102003907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102012039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11397 + ... + 48310.

It is an arithmetic number, because the mean of its divisors is an integer number (275522566).

Almost surely, 2^1102012099 is an apocalyptic number.

1102012099 is a deficient number, since it is larger than the sum of its proper divisors (78165).

1102012099 is an equidigital number, since it uses as much as digits as its factorization.

1102012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78164.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1102012099 is about 33196.5675785916. The cubic root of 1102012099 is about 1032.9091411049.

The spelling of 1102012099 in words is "one billion, one hundred two million, twelve thousand, ninety-nine".