111211202122222 has 8 divisors (see below), whose sum is σ = 167738442980472. Its totient is φ = 55298387795400.

The previous prime is 111211202122169. The next prime is 111211202122261. The reversal of 111211202122222 is 222221202112111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111211202122193 and 111211202122202.

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, 153606632404 + ... + 153606633127.

It is an arithmetic number, because the mean of its divisors is an integer number (20967305372559).

Almost surely, 2^{111211202122222} is an apocalyptic number.

111211202122222 is a deficient number, since it is larger than the sum of its proper divisors (56527240858250).

111211202122222 is a wasteful number, since it uses less digits than its factorization.

111211202122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307213265714.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111211202122222 its reverse (222221202112111), we get a palindrome (333432404234333).

The spelling of 111211202122222 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".