2210212121022 has 64 divisors (see below), whose sum is σ = 5170756320000. Its totient is φ = 697871342304.

The previous prime is 2210212121009. The next prime is 2210212121057. The reversal of 2210212121022 is 2201212120122.

It is a happy number.

2210212121022 is a `hidden beast` number, since 221 + 0 + 212 + 1 + 210 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2210212120986 and 2210212121004.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8020173 + ... + 8291175.

It is an arithmetic number, because the mean of its divisors is an integer number (80793067500).

Almost surely, 2^{2210212121022} is an apocalyptic number.

2210212121022 is an abundant number, since it is smaller than the sum of its proper divisors (2960544198978).

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

2210212121022 is a wasteful number, since it uses less digits than its factorization.

2210212121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278982 (or 278976 counting only the distinct ones).

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

Adding to 2210212121022 its reverse (2201212120122), we get a palindrome (4411424241144).

The spelling of 2210212121022 in words is "two trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, twenty-two".