2212122210102 has 160 divisors (see below), whose sum is σ = 5784452764992. Its totient is φ = 618823535616.

The previous prime is 2212122210091. The next prime is 2212122210203. The reversal of 2212122210102 is 2010122212122.

It is a happy number.

2212122210102 is a `hidden beast` number, since 221 + 212 + 221 + 0 + 10 + 2 = 666.

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

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 11243608 + ... + 11438660.

Almost surely, 2^{2212122210102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212122210102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2892226382496).

2212122210102 is an abundant number, since it is smaller than the sum of its proper divisors (3572330554890).

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

2212122210102 is a wasteful number, since it uses less digits than its factorization.

2212122210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195284 (or 195275 counting only the distinct ones).

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

Adding to 2212122210102 its reverse (2010122212122), we get a palindrome (4222244422224).

The spelling of 2212122210102 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, one hundred two".