12098901111 has 32 divisors (see below), whose sum is σ = 18575462400. Its totient is φ = 6927677280.

The previous prime is 12098901097. The next prime is 12098901127. The reversal of 12098901111 is 11110989021.

12098901111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12098901111 - 2¹⁵ = 12098868343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098901131) 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 31 ways as a sum of consecutive naturals, for example, 203820 + ... + 256398.

It is an arithmetic number, because the mean of its divisors is an integer number (580483200).

Almost surely, 2^12098901111 is an apocalyptic number.

12098901111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12098901111 is a deficient number, since it is larger than the sum of its proper divisors (6476561289).

12098901111 is a wasteful number, since it uses less digits than its factorization.

12098901111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52979.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 12098901111 in words is "twelve billion, ninety-eight million, nine hundred one thousand, one hundred eleven".