211610120420223 has 18 divisors (see below), whose sum is σ = 355562583291864. Its totient is φ = 120920068811304.

The previous prime is 211610120420159. The next prime is 211610120420287. The reversal of 211610120420223 is 322024021016112.

211610120420223 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 1 + 0 + 12 + 0 + 420 + 223 = 666.

It is an interprime number because it is at equal distance from previous prime (211610120420159) and next prime (211610120420287).

It is not a de Polignac number, because 211610120420223 - 2⁶ = 211610120420159 is a prime.

It is a super-2 number, since 2×211610120420223² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211610120430223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 239920771011 + ... + 239920771892.

It is an arithmetic number, because the mean of its divisors is an integer number (19753476849548).

Almost surely, 2^{211610120420223} is an apocalyptic number.

211610120420223 is a deficient number, since it is larger than the sum of its proper divisors (143952462871641).

211610120420223 is a wasteful number, since it uses less digits than its factorization.

211610120420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479841542923 (or 479841542913 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 211610120420223 its reverse (322024021016112), we get a palindrome (533634141436335).

The spelling of 211610120420223 in words is "two hundred eleven trillion, six hundred ten billion, one hundred twenty million, four hundred twenty thousand, two hundred twenty-three".