22011212011121 has 8 divisors (see below), whose sum is σ = 22635792208800. Its totient is φ = 21395015440480.

The previous prime is 22011212011097. The next prime is 22011212011127. The reversal of 22011212011121 is 12111021211022.

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 22011212011121 - 2³⁴ = 21994032141937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22011212011121.

It is not an unprimeable number, because it can be changed into a prime (22011212011127) 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, 2095901435 + ... + 2095911936.

It is an arithmetic number, because the mean of its divisors is an integer number (2829474026100).

Almost surely, 2^{22011212011121} is an apocalyptic number.

It is an amenable number.

22011212011121 is a deficient number, since it is larger than the sum of its proper divisors (624580197679).

22011212011121 is an equidigital number, since it uses as much as digits as its factorization.

22011212011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191813519.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22011212011121 its reverse (12111021211022), we get a palindrome (34122233222143).

The spelling of 22011212011121 in words is "twenty-two trillion, eleven billion, two hundred twelve million, eleven thousand, one hundred twenty-one".