22110212121210 has 64 divisors (see below), whose sum is σ = 59076402105600. Its totient is φ = 5884472920896.

The previous prime is 22110212121169. The next prime is 22110212121269. The reversal of 22110212121210 is 1212121201122.

22110212121210 is a `hidden beast` number, since 221 + 1 + 0 + 21 + 212 + 1 + 210 = 666.

It is a super-2 number, since 2×22110212121210² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80304294 + ... + 80579153.

It is an arithmetic number, because the mean of its divisors is an integer number (923068782900).

Almost surely, 2^{22110212121210} is an apocalyptic number.

22110212121210 is an abundant number, since it is smaller than the sum of its proper divisors (36966189984390).

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

22110212121210 is a wasteful number, since it uses less digits than its factorization.

22110212121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160883972 (or 160883966 counting only the distinct ones).

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

Adding to 22110212121210 its reverse (1212121201122), we get a palindrome (23322333322332).

The spelling of 22110212121210 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, two hundred ten".