211101222212 has 12 divisors (see below), whose sum is σ = 369592151040. Its totient is φ = 105503464776.

The previous prime is 211101222193. The next prime is 211101222251. The reversal of 211101222212 is 212222101112.

211101222212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 11776508 + ... + 11794419.

It is an arithmetic number, because the mean of its divisors is an integer number (30799345920).

Almost surely, 2^211101222212 is an apocalyptic number.

It is an amenable number.

211101222212 is a deficient number, since it is larger than the sum of its proper divisors (158490928828).

211101222212 is a wasteful number, since it uses less digits than its factorization.

211101222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23573170 (or 23573168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211101222212 its reverse (212222101112), we get a palindrome (423323323324).

The spelling of 211101222212 in words is "two hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred twelve".