212111123103323 has 4 divisors (see below), whose sum is σ = 212111252455848. Its totient is φ = 212110993750800.

The previous prime is 212111123103301. The next prime is 212111123103343. The reversal of 212111123103323 is 323301321111212.

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 212111123103323 - 2⁸ = 212111123103067 is a prime.

It is a super-2 number, since 2×212111123103323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111123103292 and 212111123103301.

It is not an unprimeable number, because it can be changed into a prime (212111123103343) 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, 62184578 + ... + 65506823.

It is an arithmetic number, because the mean of its divisors is an integer number (53027813113962).

Almost surely, 2^{212111123103323} is an apocalyptic number.

212111123103323 is a deficient number, since it is larger than the sum of its proper divisors (129352525).

212111123103323 is a wasteful number, since it uses less digits than its factorization.

212111123103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129352524.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 212111123103323 its reverse (323301321111212), we get a palindrome (535412444214535).

The spelling of 212111123103323 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred twenty-three million, one hundred three thousand, three hundred twenty-three".