22210200212121 has 24 divisors (see below), whose sum is σ = 32107892675040. Its totient is φ = 14794574083200.

The previous prime is 22210200212071. The next prime is 22210200212171. The reversal of 22210200212121 is 12121200201222.

It is a happy number.

22210200212121 is a `hidden beast` number, since 22 + 210 + 200 + 21 + 212 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22210200212071) and next prime (22210200212171).

It is not a de Polignac number, because 22210200212121 - 2¹¹ = 22210200210073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210200212094 and 22210200212103.

It is not an unprimeable number, because it can be changed into a prime (22210200212171) 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 23 ways as a sum of consecutive naturals, for example, 313805425 + ... + 313876193.

It is an arithmetic number, because the mean of its divisors is an integer number (1337828861460).

Almost surely, 2^{22210200212121} is an apocalyptic number.

It is an amenable number.

22210200212121 is a deficient number, since it is larger than the sum of its proper divisors (9897692462919).

22210200212121 is a wasteful number, since it uses less digits than its factorization.

22210200212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99077 (or 99074 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22210200212121 its reverse (12121200201222), we get a palindrome (34331400413343).

The spelling of 22210200212121 in words is "twenty-two trillion, two hundred ten billion, two hundred million, two hundred twelve thousand, one hundred twenty-one".