211112323210 has 8 divisors (see below), whose sum is σ = 380002181796. Its totient is φ = 84444929280.

The previous prime is 211112323187. The next prime is 211112323291. The reversal of 211112323210 is 12323211112.

It can be written as a sum of positive squares in 2 ways, for example, as 197928001881 + 13184321329 = 444891^2 + 114823^2 .

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

It is a super-2 number, since 2×211112323210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555616151 + ... + 10555616170.

Almost surely, 2^211112323210 is an apocalyptic number.

211112323210 is a deficient number, since it is larger than the sum of its proper divisors (168889858586).

211112323210 is a wasteful number, since it uses less digits than its factorization.

211112323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111232328.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211112323210 its reverse (12323211112), we get a palindrome (223435534322).

The spelling of 211112323210 in words is "two hundred eleven billion, one hundred twelve million, three hundred twenty-three thousand, two hundred ten".