211210211100 has 144 divisors (see below), whose sum is σ = 735159891200. Its totient is φ = 45735736320.

The previous prime is 211210211087. The next prime is 211210211143. The reversal of 211210211100 is 1112012112.

It is a super-3 number, since 3×211210211100³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2606845 + ... + 2686644.

Almost surely, 2^211210211100 is an apocalyptic number.

211210211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211210211100 is an abundant number, since it is smaller than the sum of its proper divisors (523949680100).

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

211210211100 is a wasteful number, since it uses less digits than its factorization.

211210211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293532 (or 5293525 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211210211100 its reverse (1112012112), we get a palindrome (212322223212).

The spelling of 211210211100 in words is "two hundred eleven billion, two hundred ten million, two hundred eleven thousand, one hundred".