212321021123103 has 8 divisors (see below), whose sum is σ = 283249306905216. Its totient is φ = 141470041378200.

The previous prime is 212321021123083. The next prime is 212321021123111. The reversal of 212321021123103 is 301321120123212.

212321021123103 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212321021123103 - 2¹⁶ = 212321021057567 is a prime.

It is a super-2 number, since 2×212321021123103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212321021124103) 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, 19326502893 + ... + 19326513878.

It is an arithmetic number, because the mean of its divisors is an integer number (35406163363152).

Almost surely, 2^{212321021123103} is an apocalyptic number.

212321021123103 is a deficient number, since it is larger than the sum of its proper divisors (70928285782113).

212321021123103 is a wasteful number, since it uses less digits than its factorization.

212321021123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38653018605.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212321021123103 its reverse (301321120123212), we get a palindrome (513642141246315).

The spelling of 212321021123103 in words is "two hundred twelve trillion, three hundred twenty-one billion, twenty-one million, one hundred twenty-three thousand, one hundred three".