2212202121210 has 96 divisors (see below), whose sum is σ = 6054991488000. Its totient is φ = 558821939328.

The previous prime is 2212202121121. The next prime is 2212202121221. The reversal of 2212202121210 is 121212022122.

It is a happy number.

2212202121210 is a `hidden beast` number, since 2 + 21 + 220 + 212 + 1 + 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 47 ways as a sum of consecutive naturals, for example, 21287256 + ... + 21390924.

It is an arithmetic number, because the mean of its divisors is an integer number (63072828000).

Almost surely, 2^{2212202121210} is an apocalyptic number.

2212202121210 is an abundant number, since it is smaller than the sum of its proper divisors (3842789366790).

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

2212202121210 is a wasteful number, since it uses less digits than its factorization.

2212202121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116180 (or 116177 counting only the distinct ones).

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

Adding to 2212202121210 its reverse (121212022122), we get a palindrome (2333414143332).

The spelling of 2212202121210 in words is "two trillion, two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".