211312222203122 has 96 divisors (see below), whose sum is σ = 333856017792000. Its totient is φ = 100251869985792.

The previous prime is 211312222203097. The next prime is 211312222203149. The reversal of 211312222203122 is 221302222213112.

It is a junction number, because it is equal to n+sod(n) for n = 211312222203091 and 211312222203100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73397783279 + ... + 73397786157.

It is an arithmetic number, because the mean of its divisors is an integer number (3477666852000).

Almost surely, 2^{211312222203122} is an apocalyptic number.

211312222203122 is a deficient number, since it is larger than the sum of its proper divisors (122543795588878).

211312222203122 is a wasteful number, since it uses less digits than its factorization.

211312222203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211312222203122 its reverse (221302222213112), we get a palindrome (432614444416234).

The spelling of 211312222203122 in words is "two hundred eleven trillion, three hundred twelve billion, two hundred twenty-two million, two hundred three thousand, one hundred twenty-two".