22012221211122 has 8 divisors (see below), whose sum is σ = 44024442422256. Its totient is φ = 7337407070372.

The previous prime is 22012221211069. The next prime is 22012221211133. The reversal of 22012221211122 is 22111212221022.

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

22012221211122 is an admirable number.

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, 1834351767588 + ... + 1834351767599.

It is an arithmetic number, because the mean of its divisors is an integer number (5503055302782).

Almost surely, 2^{22012221211122} is an apocalyptic number.

22012221211122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012221211122 is a wasteful number, since it uses less digits than its factorization.

22012221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668703535192.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22012221211122 its reverse (22111212221022), we get a palindrome (44123433432144).

The spelling of 22012221211122 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".