22212212120111 has 8 divisors (see below), whose sum is σ = 23921210661264. Its totient is φ = 20503265984640.

The previous prime is 22212212120107. The next prime is 22212212120183. The reversal of 22212212120111 is 11102121221222.

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

It is a cyclic number.

It is not a de Polignac number, because 22212212120111 - 2² = 22212212120107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212212120411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12218906 + ... + 13918551.

It is an arithmetic number, because the mean of its divisors is an integer number (2990151332658).

Almost surely, 2^{22212212120111} is an apocalyptic number.

22212212120111 is a deficient number, since it is larger than the sum of its proper divisors (1708998541153).

22212212120111 is a wasteful number, since it uses less digits than its factorization.

22212212120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26202841.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22212212120111 its reverse (11102121221222), we get a palindrome (33314333341333).

The spelling of 22212212120111 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty thousand, one hundred eleven".