202111301121311 has 16 divisors (see below), whose sum is σ = 204655516871520. Its totient is φ = 199580764510080.

The previous prime is 202111301121307. The next prime is 202111301121319. The reversal of 202111301121311 is 113121103111202.

It is a cyclic number.

It is not a de Polignac number, because 202111301121311 - 2² = 202111301121307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111301121319) 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 15 ways as a sum of consecutive naturals, for example, 35882396 + ... + 41131118.

It is an arithmetic number, because the mean of its divisors is an integer number (12790969804470).

Almost surely, 2^{202111301121311} is an apocalyptic number.

202111301121311 is a deficient number, since it is larger than the sum of its proper divisors (2544215750209).

202111301121311 is a wasteful number, since it uses less digits than its factorization.

202111301121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250026.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 202111301121311 its reverse (113121103111202), we get a palindrome (315232404232513).

The spelling of 202111301121311 in words is "two hundred two trillion, one hundred eleven billion, three hundred one million, one hundred twenty-one thousand, three hundred eleven".