12101202211311 has 32 divisors (see below), whose sum is σ = 17981987212800. Its totient is φ = 8043044929920.

The previous prime is 12101202211309. The next prime is 12101202211331. The reversal of 12101202211311 is 11311220210121.

It is a happy number.

12101202211311 is a `hidden beast` number, since 1 + 2 + 10 + 120 + 221 + 1 + 311 = 666.

It is not a de Polignac number, because 12101202211311 - 2¹ = 12101202211309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101202211331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214080310 + ... + 214136828.

It is an arithmetic number, because the mean of its divisors is an integer number (561937100400).

Almost surely, 2^{12101202211311} is an apocalyptic number.

12101202211311 is a deficient number, since it is larger than the sum of its proper divisors (5880785001489).

12101202211311 is a wasteful number, since it uses less digits than its factorization.

12101202211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80396 (or 80390 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12101202211311 its reverse (11311220210121), we get a palindrome (23412422421432).

The spelling of 12101202211311 in words is "twelve trillion, one hundred one billion, two hundred two million, two hundred eleven thousand, three hundred eleven".