211100210012 has 12 divisors (see below), whose sum is σ = 369430299336. Its totient is φ = 105548695920.

The previous prime is 211100209993. The next prime is 211100210029. The reversal of 211100210012 is 210012001112.

It is a super-2 number, since 2×211100210012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211100209975 and 211100210002.

It is a congruent number.

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, 31187 + ... + 650517.

It is an arithmetic number, because the mean of its divisors is an integer number (30785858278).

Almost surely, 2^211100210012 is an apocalyptic number.

It is an amenable number.

211100210012 is a deficient number, since it is larger than the sum of its proper divisors (158330089324).

211100210012 is a wasteful number, since it uses less digits than its factorization.

211100210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704548 (or 704546 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211100210012 its reverse (210012001112), we get a palindrome (421112211124).

The spelling of 211100210012 in words is "two hundred eleven billion, one hundred million, two hundred ten thousand, twelve".