22111212021122 has 8 divisors (see below), whose sum is σ = 37904934893376. Its totient is φ = 9476233723332.

The previous prime is 22111212021053. The next prime is 22111212021149. The reversal of 22111212021122 is 22112021211122.

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 = 22111212021094 and 22111212021103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789686143598 + ... + 789686143625.

It is an arithmetic number, because the mean of its divisors is an integer number (4738116861672).

Almost surely, 2^{22111212021122} is an apocalyptic number.

22111212021122 is a deficient number, since it is larger than the sum of its proper divisors (15793722872254).

22111212021122 is a wasteful number, since it uses less digits than its factorization.

22111212021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579372287232.

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

Adding to 22111212021122 its reverse (22112021211122), we get a palindrome (44223233232244).

The spelling of 22111212021122 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, twenty-one thousand, one hundred twenty-two".