22011102222121 has 8 divisors (see below), whose sum is σ = 22340544891840. Its totient is φ = 21681686574768.

The previous prime is 22011102222077. The next prime is 22011102222139. The reversal of 22011102222121 is 12122220111022.

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 22011102222121 - 2⁷ = 22011102221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011102222721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5111326 + ... + 8375431.

It is an arithmetic number, because the mean of its divisors is an integer number (2792568111480).

Almost surely, 2^{22011102222121} is an apocalyptic number.

It is an amenable number.

22011102222121 is a deficient number, since it is larger than the sum of its proper divisors (329442669719).

22011102222121 is a wasteful number, since it uses less digits than its factorization.

22011102222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511183.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22011102222121 its reverse (12122220111022), we get a palindrome (34133322333143).

The spelling of 22011102222121 in words is "twenty-two trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-one".