211233220111322 has 4 divisors (see below), whose sum is σ = 316849830166986. Its totient is φ = 105616610055660.

The previous prime is 211233220111321. The next prime is 211233220111339. The reversal of 211233220111322 is 223111022332112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136617502345801 + 74615717765521 = 11688349^2 + 8638039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211233220111291 and 211233220111300.

It is not an unprimeable number, because it can be changed into a prime (211233220111321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52808305027829 + ... + 52808305027832.

Almost surely, 2^{211233220111322} is an apocalyptic number.

211233220111322 is a deficient number, since it is larger than the sum of its proper divisors (105616610055664).

211233220111322 is a wasteful number, since it uses less digits than its factorization.

211233220111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105616610055663.

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

Adding to 211233220111322 its reverse (223111022332112), we get a palindrome (434344242443434).

The spelling of 211233220111322 in words is "two hundred eleven trillion, two hundred thirty-three billion, two hundred twenty million, one hundred eleven thousand, three hundred twenty-two".