22011100121121 has 8 divisors (see below), whose sum is σ = 29348988789120. Its totient is φ = 14673639100272.

The previous prime is 22011100121119. The next prime is 22011100121167. The reversal of 22011100121121 is 12112100111022.

It is a happy number.

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

It is not a de Polignac number, because 22011100121121 - 2¹ = 22011100121119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22011100121121.

It is not an unprimeable number, because it can be changed into a prime (22011100121221) 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, 106791670 + ... + 106997583.

It is an arithmetic number, because the mean of its divisors is an integer number (3668623598640).

Almost surely, 2^{22011100121121} is an apocalyptic number.

It is an amenable number.

22011100121121 is a deficient number, since it is larger than the sum of its proper divisors (7337888667999).

22011100121121 is a wasteful number, since it uses less digits than its factorization.

22011100121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213823575.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011100121121 its reverse (12112100111022), we get a palindrome (34123200232143).

The spelling of 22011100121121 in words is "twenty-two trillion, eleven billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-one".