211223003110111 has 8 divisors (see below), whose sum is σ = 211304753887040. Its totient is φ = 211141255208832.

The previous prime is 211223003110109. The next prime is 211223003110139. The reversal of 211223003110111 is 111011300322112.

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

It is a cyclic number.

It is not a de Polignac number, because 211223003110111 - 2¹ = 211223003110109 is a prime.

It is a super-2 number, since 2×211223003110111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223003114111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152521930 + ... + 153900568.

It is an arithmetic number, because the mean of its divisors is an integer number (26413094235880).

Almost surely, 2^{211223003110111} is an apocalyptic number.

211223003110111 is a deficient number, since it is larger than the sum of its proper divisors (81750776929).

211223003110111 is a wasteful number, since it uses less digits than its factorization.

211223003110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437825.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 211223003110111 its reverse (111011300322112), we get a palindrome (322234303432223).

The spelling of 211223003110111 in words is "two hundred eleven trillion, two hundred twenty-three billion, three million, one hundred ten thousand, one hundred eleven".