212231122103 has 64 divisors (see below), whose sum is σ = 291581337600. Its totient is φ = 149137113600.

The previous prime is 212231122097. The next prime is 212231122123. The reversal of 212231122103 is 301221132212.

It is a cyclic number.

It is not a de Polignac number, because 212231122103 - 2²⁰ = 212230073527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212231122123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9086426 + ... + 9109752.

It is an arithmetic number, because the mean of its divisors is an integer number (4555958400).

Almost surely, 2^212231122103 is an apocalyptic number.

212231122103 is a deficient number, since it is larger than the sum of its proper divisors (79350215497).

212231122103 is a wasteful number, since it uses less digits than its factorization.

212231122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212231122103 its reverse (301221132212), we get a palindrome (513452254315).

The spelling of 212231122103 in words is "two hundred twelve billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred three".