22011201211121 has 8 divisors (see below), whose sum is σ = 22043386332864. Its totient is φ = 21979018328400.

The previous prime is 22011201211079. The next prime is 22011201211123. The reversal of 22011201211121 is 12111210211022.

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 22011201211121 - 2¹⁴ = 22011201194737 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 22011201211121.

It is not an unprimeable number, because it can be changed into a prime (22011201211123) 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, 19648706 + ... + 20738708.

It is an arithmetic number, because the mean of its divisors is an integer number (2755423291608).

Almost surely, 2^{22011201211121} is an apocalyptic number.

It is an amenable number.

22011201211121 is a deficient number, since it is larger than the sum of its proper divisors (32185121743).

22011201211121 is a wasteful number, since it uses less digits than its factorization.

22011201211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119511.

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

Adding to 22011201211121 its reverse (12111210211022), we get a palindrome (34122411422143).

The spelling of 22011201211121 in words is "twenty-two trillion, eleven billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".