13230021212111 has 4 divisors (see below), whose sum is σ = 14432750413224. Its totient is φ = 12027292011000.

The previous prime is 13230021212053. The next prime is 13230021212183. The reversal of 13230021212111 is 11121212003231.

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 13230021212111 - 2¹⁸ = 13230020949967 is a prime.

It is a super-2 number, since 2×13230021212111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233021212111) 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, 601364600540 + ... + 601364600561.

It is an arithmetic number, because the mean of its divisors is an integer number (3608187603306).

Almost surely, 2^{13230021212111} is an apocalyptic number.

13230021212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13230021212111 is a deficient number, since it is larger than the sum of its proper divisors (1202729201113).

13230021212111 is a wasteful number, since it uses less digits than its factorization.

13230021212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202729201112.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13230021212111 its reverse (11121212003231), we get a palindrome (24351233215342).

The spelling of 13230021212111 in words is "thirteen trillion, two hundred thirty billion, twenty-one million, two hundred twelve thousand, one hundred eleven".