211222221220223 has 2 divisors, whose sum is σ = 211222221220224. Its totient is φ = 211222221220222.

The previous prime is 211222221220201. The next prime is 211222221220271. The reversal of 211222221220223 is 322022122222112.

211222221220223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211222221220223 - 2⁶ = 211222221220159 is a prime.

It is a super-2 number, since 2×211222221220223² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222221220192 and 211222221220201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222221220523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611110610111 + 105611110610112.

It is an arithmetic number, because the mean of its divisors is an integer number (105611110610112).

Almost surely, 2^{211222221220223} is an apocalyptic number.

211222221220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222221220223 is an equidigital number, since it uses as much as digits as its factorization.

211222221220223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211222221220223 its reverse (322022122222112), we get a palindrome (533244343442335).

The spelling of 211222221220223 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-three".