12011102010101 has 4 divisors (see below), whose sum is σ = 12208005321804. Its totient is φ = 11814198698400.

The previous prime is 12011102010097. The next prime is 12011102010109. The reversal of 12011102010101 is 10101020111021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 250249062001 + 11760852948100 = 500249^2 + 3429410^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011102010101 - 2² = 12011102010097 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 (12011102010109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98451655760 + ... + 98451655881.

It is an arithmetic number, because the mean of its divisors is an integer number (3052001330451).

Almost surely, 2^{12011102010101} is an apocalyptic number.

It is an amenable number.

12011102010101 is a deficient number, since it is larger than the sum of its proper divisors (196903311703).

12011102010101 is an equidigital number, since it uses as much as digits as its factorization.

12011102010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196903311702.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12011102010101 its reverse (10101020111021), we get a palindrome (22112122121122).

The spelling of 12011102010101 in words is "twelve trillion, eleven billion, one hundred two million, ten thousand, one hundred one".