2212122120210 has 192 divisors, whose sum is σ = 6104219996160. Its totient is φ = 555053990400.

The previous prime is 2212122120193. The next prime is 2212122120301. The reversal of 2212122120210 is 120212212122.

It is a happy number.

2212122120210 is a `hidden beast` number, since 2 + 212 + 1 + 221 + 20 + 210 = 666.

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 95 ways as a sum of consecutive naturals, for example, 14385711 + ... + 14538669.

It is an arithmetic number, because the mean of its divisors is an integer number (31792812480).

Almost surely, 2^{2212122120210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212122120210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052109998080).

2212122120210 is an abundant number, since it is smaller than the sum of its proper divisors (3892097875950).

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

2212122120210 is a wasteful number, since it uses less digits than its factorization.

2212122120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153153 (or 153150 counting only the distinct ones).

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

Adding to 2212122120210 its reverse (120212212122), we get a palindrome (2332334332332).

It can be divided in two parts, 2212122 and 120210, that added together give a palindrome (2332332).

The spelling of 2212122120210 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, two hundred ten".