2111102212222 has 8 divisors (see below), whose sum is σ = 3268803425472. Its totient is φ = 1021501070400.

The previous prime is 2111102212217. The next prime is 2111102212223. The reversal of 2111102212222 is 2222122011112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111102212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111102212223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17025017779 + ... + 17025017902.

It is an arithmetic number, because the mean of its divisors is an integer number (408600428184).

Almost surely, 2^{2111102212222} is an apocalyptic number.

2111102212222 is a deficient number, since it is larger than the sum of its proper divisors (1157701213250).

2111102212222 is a wasteful number, since it uses less digits than its factorization.

2111102212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34050035714.

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

Adding to 2111102212222 its reverse (2222122011112), we get a palindrome (4333224223334).

The spelling of 2111102212222 in words is "two trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, two hundred twenty-two".