212211202111 has 8 divisors (see below), whose sum is σ = 221702385600. Its totient is φ = 202864922400.

The previous prime is 212211202061. The next prime is 212211202121. The reversal of 212211202111 is 111202112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212211202111 - 2⁹ = 212211201599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211202121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36222951 + ... + 36228808.

It is an arithmetic number, because the mean of its divisors is an integer number (27712798200).

Almost surely, 2^212211202111 is an apocalyptic number.

212211202111 is a deficient number, since it is larger than the sum of its proper divisors (9491183489).

212211202111 is a wasteful number, since it uses less digits than its factorization.

212211202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72451889.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212211202111 its reverse (111202112212), we get a palindrome (323413314323).

The spelling of 212211202111 in words is "two hundred twelve billion, two hundred eleven million, two hundred two thousand, one hundred eleven".