11212230230311 has 4 divisors (see below), whose sum is σ = 12231523887624. Its totient is φ = 10192936573000.

The previous prime is 11212230230281. The next prime is 11212230230323. The reversal of 11212230230311 is 11303203221211.

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

It is a cyclic number.

It is not a de Polignac number, because 11212230230311 - 2³³ = 11203640295719 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 (11212230230111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509646828640 + ... + 509646828661.

It is an arithmetic number, because the mean of its divisors is an integer number (3057880971906).

Almost surely, 2^{11212230230311} is an apocalyptic number.

11212230230311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11212230230311 is a deficient number, since it is larger than the sum of its proper divisors (1019293657313).

11212230230311 is a wasteful number, since it uses less digits than its factorization.

11212230230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019293657312.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11212230230311 its reverse (11303203221211), we get a palindrome (22515433451522).

The spelling of 11212230230311 in words is "eleven trillion, two hundred twelve billion, two hundred thirty million, two hundred thirty thousand, three hundred eleven".