211100222212 has 96 divisors (see below), whose sum is σ = 412959254400. Its totient is φ = 93613670400.

The previous prime is 211100222191. The next prime is 211100222219. The reversal of 211100222212 is 212222001112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211100222219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355986588 + ... + 355987180.

It is an arithmetic number, because the mean of its divisors is an integer number (4301658900).

Almost surely, 2^211100222212 is an apocalyptic number.

211100222212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211100222212 is a deficient number, since it is larger than the sum of its proper divisors (201859032188).

211100222212 is a wasteful number, since it uses less digits than its factorization.

211100222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211100222212 its reverse (212222001112), we get a palindrome (423322223324).

The spelling of 211100222212 in words is "two hundred eleven billion, one hundred million, two hundred twenty-two thousand, two hundred twelve".