10212221202210 has 24 divisors (see below), whose sum is σ = 26551775125980. Its totient is φ = 2723258987232.

The previous prime is 10212221202203. The next prime is 10212221202223. The reversal of 10212221202210 is 1220212221201.

It is a happy number.

10212221202210 is a `hidden beast` number, since 1 + 0 + 212 + 221 + 20 + 2 + 210 = 666.

10212221202210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8640901290681 + 1571319911529 = 2939541^2 + 1253523^2 .

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 11 ways as a sum of consecutive naturals, for example, 56734562145 + ... + 56734562324.

Almost surely, 2^{10212221202210} is an apocalyptic number.

10212221202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212221202210 is an abundant number, since it is smaller than the sum of its proper divisors (16339553923770).

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

10212221202210 is a wasteful number, since it uses less digits than its factorization.

10212221202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113469124482 (or 113469124479 counting only the distinct ones).

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

Adding to 10212221202210 its reverse (1220212221201), we get a palindrome (11432433423411).

The spelling of 10212221202210 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred ten".