22210121110212 has 120 divisors (see below), whose sum is σ = 66360810316416. Its totient is φ = 6345304584192.

The previous prime is 22210121110201. The next prime is 22210121110223. The reversal of 22210121110212 is 21201112101222.

22210121110212 is a `hidden beast` number, since 2 + 221 + 0 + 121 + 110 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (22210121110201) and next prime (22210121110223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32761393 + ... + 33432455.

Almost surely, 2^{22210121110212} is an apocalyptic number.

It is an amenable number.

22210121110212 is an abundant number, since it is smaller than the sum of its proper divisors (44150689206204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22210121110212 is a wasteful number, since it uses less digits than its factorization.

22210121110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685679 (or 685668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22210121110212 its reverse (21201112101222), we get a palindrome (43411233211434).

The spelling of 22210121110212 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, one hundred ten thousand, two hundred twelve".