211231122103 has 8 divisors (see below), whose sum is σ = 211930399296. Its totient is φ = 210532704000.

The previous prime is 211231122073. The next prime is 211231122181. The reversal of 211231122103 is 301221132112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211231122103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231128103) 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, 279675 + ... + 707587.

It is an arithmetic number, because the mean of its divisors is an integer number (26491299912).

Almost surely, 2^211231122103 is an apocalyptic number.

211231122103 is a deficient number, since it is larger than the sum of its proper divisors (699277193).

211231122103 is a wasteful number, since it uses less digits than its factorization.

211231122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429545.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211231122103 its reverse (301221132112), we get a palindrome (512452254215).

The spelling of 211231122103 in words is "two hundred eleven billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred three".