211222110122 has 16 divisors (see below), whose sum is σ = 318230415360. Its totient is φ = 105145791792.

The previous prime is 211222110107. The next prime is 211222110137. The reversal of 211222110122 is 221011222112.

It is an interprime number because it is at equal distance from previous prime (211222110107) and next prime (211222110137).

It is a super-2 number, since 2×211222110122² (a number of 23 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 211222110122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754004 + ... + 995472.

It is an arithmetic number, because the mean of its divisors is an integer number (19889400960).

Almost surely, 2^211222110122 is an apocalyptic number.

211222110122 is a deficient number, since it is larger than the sum of its proper divisors (107008305238).

211222110122 is a wasteful number, since it uses less digits than its factorization.

211222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243397.

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

Adding to 211222110122 its reverse (221011222112), we get a palindrome (432233332234).

The spelling of 211222110122 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".