211111323000 has 64 divisors (see below), whose sum is σ = 658667337120. Its totient is φ = 56296352000.

The previous prime is 211111322999. The next prime is 211111323001. The reversal of 211111323000 is 323111112.

It is a happy number.

211111323000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211111322999) and next prime (211111323001).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211111323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35182221 + ... + 35188220.

Almost surely, 2^211111323000 is an apocalyptic number.

211111323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211111323000 is an abundant number, since it is smaller than the sum of its proper divisors (447556014120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211111323000 is a wasteful number, since it uses less digits than its factorization.

211111323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70370465 (or 70370451 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211111323000 its reverse (323111112), we get a palindrome (211434434112).

The spelling of 211111323000 in words is "two hundred eleven billion, one hundred eleven million, three hundred twenty-three thousand".