1099010101111 has 4 divisors (see below), whose sum is σ = 1183549339672. Its totient is φ = 1014470862552.

The previous prime is 1099010101109. The next prime is 1099010101177. The reversal of 1099010101111 is 1111010109901.

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

It is a cyclic number.

It is not a de Polignac number, because 1099010101111 - 2¹ = 1099010101109 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 (1099010101181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42269619261 + ... + 42269619286.

It is an arithmetic number, because the mean of its divisors is an integer number (295887334918).

Almost surely, 2^{1099010101111} is an apocalyptic number.

1099010101111 is a deficient number, since it is larger than the sum of its proper divisors (84539238561).

1099010101111 is an equidigital number, since it uses as much as digits as its factorization.

1099010101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84539238560.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 1099010101111 in words is "one trillion, ninety-nine billion, ten million, one hundred one thousand, one hundred eleven".