22110020012121 has 16 divisors (see below), whose sum is σ = 29964663864960. Its totient is φ = 14497716654720.

The previous prime is 22110020012063. The next prime is 22110020012207. The reversal of 22110020012121 is 12121002001122.

It is not a de Polignac number, because 22110020012121 - 2⁶ = 22110020012057 is a prime.

It is a super-2 number, since 2×22110020012121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22110020012121.

It is not an unprimeable number, because it can be changed into a prime (22110020013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327060 + ... + 6780938.

It is an arithmetic number, because the mean of its divisors is an integer number (1872791491560).

Almost surely, 2^{22110020012121} is an apocalyptic number.

It is an amenable number.

22110020012121 is a deficient number, since it is larger than the sum of its proper divisors (7854643852839).

22110020012121 is a wasteful number, since it uses less digits than its factorization.

22110020012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476096.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110020012121 its reverse (12121002001122), we get a palindrome (34231022013243).

The spelling of 22110020012121 in words is "twenty-two trillion, one hundred ten billion, twenty million, twelve thousand, one hundred twenty-one".