211103310123230 has 32 divisors (see below), whose sum is σ = 434278530281664. Its totient is φ = 72376800466176.

The previous prime is 211103310123191. The next prime is 211103310123239. The reversal of 211103310123230 is 32321013301112.

It is a junction number, because it is equal to n+sod(n) for n = 211103310123196 and 211103310123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103310123239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27320057 + ... + 34184676.

It is an arithmetic number, because the mean of its divisors is an integer number (13571204071302).

Almost surely, 2^{211103310123230} is an apocalyptic number.

211103310123230 is an abundant number, since it is smaller than the sum of its proper divisors (223175220158434).

211103310123230 is a wasteful number, since it uses less digits than its factorization.

211103310123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61553780.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211103310123230 its reverse (32321013301112), we get a palindrome (243424323424342).

The spelling of 211103310123230 in words is "two hundred eleven trillion, one hundred three billion, three hundred ten million, one hundred twenty-three thousand, two hundred thirty".