211100000002222 has 16 divisors (see below), whose sum is σ = 317108371733712. Its totient is φ = 105397215750400.

The previous prime is 211100000002211. The next prime is 211100000002253. The reversal of 211100000002222 is 222200000001112.

It is a happy number.

It is a congruent number.

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, 66233913 + ... + 69347899.

It is an arithmetic number, because the mean of its divisors is an integer number (19819273233357).

Almost surely, 2^{211100000002222} is an apocalyptic number.

211100000002222 is a deficient number, since it is larger than the sum of its proper divisors (106008371731490).

211100000002222 is a wasteful number, since it uses less digits than its factorization.

211100000002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163043.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211100000002222 its reverse (222200000001112), we get a palindrome (433300000003334).

The spelling of 211100000002222 in words is "two hundred eleven trillion, one hundred billion, two thousand, two hundred twenty-two".