1102019999 has 8 divisors (see below), whose sum is σ = 1151694720. Its totient is φ = 1052492056.

The previous prime is 1102019987. The next prime is 1102020013. The reversal of 1102019999 is 9999102011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102019999 - 2²⁴ = 1085242783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102019909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21197 + ... + 51510.

It is an arithmetic number, because the mean of its divisors is an integer number (143961840).

Almost surely, 2^1102019999 is an apocalyptic number.

1102019999 is a deficient number, since it is larger than the sum of its proper divisors (49674721).

1102019999 is an equidigital number, since it uses as much as digits as its factorization.

1102019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73389.

The product of its (nonzero) digits is 13122, while the sum is 41.

The square root of 1102019999 is about 33196.6865665837. The cubic root of 1102019999 is about 1032.9116093061.

The spelling of 1102019999 in words is "one billion, one hundred two million, nineteen thousand, nine hundred ninety-nine".