211021110212 has 12 divisors (see below), whose sum is σ = 402858483216. Its totient is φ = 95918686440.

The previous prime is 211021110187. The next prime is 211021110221. The reversal of 211021110212 is 212011120112.

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, 2397967118 + ... + 2397967205.

It is an arithmetic number, because the mean of its divisors is an integer number (33571540268).

Almost surely, 2^211021110212 is an apocalyptic number.

211021110212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211021110212 is a deficient number, since it is larger than the sum of its proper divisors (191837373004).

211021110212 is a wasteful number, since it uses less digits than its factorization.

211021110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795934338 (or 4795934336 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211021110212 its reverse (212011120112), we get a palindrome (423032230324).

The spelling of 211021110212 in words is "two hundred eleven billion, twenty-one million, one hundred ten thousand, two hundred twelve".