211123131320222 has 8 divisors (see below), whose sum is σ = 345474214887672. Its totient is φ = 95965059691000.

The previous prime is 211123131320221. The next prime is 211123131320279. The reversal of 211123131320222 is 222023131321112.

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

It is a super-2 number, since 2×211123131320222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211123131320191 and 211123131320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123131320221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798252984529 + ... + 4798252984572.

It is an arithmetic number, because the mean of its divisors is an integer number (43184276860959).

Almost surely, 2^{211123131320222} is an apocalyptic number.

211123131320222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211123131320222 is a deficient number, since it is larger than the sum of its proper divisors (134351083567450).

211123131320222 is a wasteful number, since it uses less digits than its factorization.

211123131320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9596505969114.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 211123131320222 its reverse (222023131321112), we get a palindrome (433146262641334).

The spelling of 211123131320222 in words is "two hundred eleven trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred twenty thousand, two hundred twenty-two".