211212120100222 has 8 divisors (see below), whose sum is σ = 316834240339296. Its totient is φ = 105600706653792.

The previous prime is 211212120100181. The next prime is 211212120100253. The reversal of 211212120100222 is 222001021212112.

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

It is a super-2 number, since 2×211212120100222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212120100222.

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, 2676648843 + ... + 2676727750.

It is an arithmetic number, because the mean of its divisors is an integer number (39604280042412).

Almost surely, 2^{211212120100222} is an apocalyptic number.

211212120100222 is a deficient number, since it is larger than the sum of its proper divisors (105622120239074).

211212120100222 is a wasteful number, since it uses less digits than its factorization.

211212120100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353396322.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211212120100222 its reverse (222001021212112), we get a palindrome (433213141312334).

The spelling of 211212120100222 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, two hundred twenty-two".