11212231203111 has 8 divisors (see below), whose sum is σ = 14950086681600. Its totient is φ = 7474598263352.

The previous prime is 11212231203073. The next prime is 11212231203149. The reversal of 11212231203111 is 11130213221211.

It is an interprime number because it is at equal distance from previous prime (11212231203073) and next prime (11212231203149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212231203111 - 2¹³ = 11212231194919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212231203161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55517085 + ... + 55718678.

It is an arithmetic number, because the mean of its divisors is an integer number (1868760835200).

Almost surely, 2^{11212231203111} is an apocalyptic number.

11212231203111 is a deficient number, since it is larger than the sum of its proper divisors (3737855478489).

11212231203111 is a wasteful number, since it uses less digits than its factorization.

11212231203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111269365.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11212231203111 its reverse (11130213221211), we get a palindrome (22342444424322).

The spelling of 11212231203111 in words is "eleven trillion, two hundred twelve billion, two hundred thirty-one million, two hundred three thousand, one hundred eleven".