211212221102 has 8 divisors (see below), whose sum is σ = 327743101800. Its totient is φ = 101964520504.

The previous prime is 211212221071. The next prime is 211212221111. The reversal of 211212221102 is 201122212112.

211212221102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×211212221102² (a number of 23 digits) contains 22 as substring.

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, 1820794952 + ... + 1820795067.

It is an arithmetic number, because the mean of its divisors is an integer number (40967887725).

Almost surely, 2^211212221102 is an apocalyptic number.

211212221102 is a deficient number, since it is larger than the sum of its proper divisors (116530880698).

211212221102 is a wasteful number, since it uses less digits than its factorization.

211212221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641590050.

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

Adding to 211212221102 its reverse (201122212112), we get a palindrome (412334433214).

The spelling of 211212221102 in words is "two hundred eleven billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".