22122004121 has 8 divisors (see below), whose sum is σ = 25289544000. Its totient is φ = 18956277648.

The previous prime is 22122004097. The next prime is 22122004127. The reversal of 22122004121 is 12140022122.

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

It is not a de Polignac number, because 22122004121 - 2¹⁴ = 22121987737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122004121.

It is not an unprimeable number, because it can be changed into a prime (22122004127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427106 + ... + 476091.

It is an arithmetic number, because the mean of its divisors is an integer number (3161193000).

Almost surely, 2^22122004121 is an apocalyptic number.

It is an amenable number.

22122004121 is a deficient number, since it is larger than the sum of its proper divisors (3167539879).

22122004121 is an equidigital number, since it uses as much as digits as its factorization.

22122004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906703.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122004121 its reverse (12140022122), we get a palindrome (34262026243).

The spelling of 22122004121 in words is "twenty-two billion, one hundred twenty-two million, four thousand, one hundred twenty-one".