211223310011 has 8 divisors (see below), whose sum is σ = 241435680000. Its totient is φ = 181020342888.

The previous prime is 211223310007. The next prime is 211223310029. The reversal of 211223310011 is 110013322112.

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

It is not a de Polignac number, because 211223310011 - 2² = 211223310007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211223318011) 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, 2302511 + ... + 2392488.

It is an arithmetic number, because the mean of its divisors is an integer number (30179460000).

Almost surely, 2^211223310011 is an apocalyptic number.

211223310011 is a deficient number, since it is larger than the sum of its proper divisors (30212369989).

211223310011 is an equidigital number, since it uses as much as digits as its factorization.

211223310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701433.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211223310011 its reverse (110013322112), we get a palindrome (321236632123).

The spelling of 211223310011 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred ten thousand, eleven".