12101101201211 has 16 divisors (see below), whose sum is σ = 13228567046496. Its totient is φ = 10978218240000.

The previous prime is 12101101201141. The next prime is 12101101201303. The reversal of 12101101201211 is 11210210110121.

It is a de Polignac number, because none of the positive numbers 2^k-12101101201211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101101231211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10510931 + ... + 11605251.

It is an arithmetic number, because the mean of its divisors is an integer number (826785440406).

Almost surely, 2^{12101101201211} is an apocalyptic number.

12101101201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12101101201211 is a deficient number, since it is larger than the sum of its proper divisors (1127465845285).

12101101201211 is a wasteful number, since it uses less digits than its factorization.

12101101201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096414.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101101201211 its reverse (11210210110121), we get a palindrome (23311311311332).

The spelling of 12101101201211 in words is "twelve trillion, one hundred one billion, one hundred one million, two hundred one thousand, two hundred eleven".