10221211021210 has 192 divisors, whose sum is σ = 22982359288320. Its totient is φ = 3251611883520.

The previous prime is 10221211021199. The next prime is 10221211021321. The reversal of 10221211021210 is 1212011212201.

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, 449450440 + ... + 449473180.

It is an arithmetic number, because the mean of its divisors is an integer number (119699787960).

Almost surely, 2^{10221211021210} is an apocalyptic number.

10221211021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221211021210 is an abundant number, since it is smaller than the sum of its proper divisors (12761148267110).

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

10221211021210 is a wasteful number, since it uses less digits than its factorization.

10221211021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23541 (or 23534 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221211021210 its reverse (1212011212201), we get a palindrome (11433222233411).

The spelling of 10221211021210 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, twenty-one thousand, two hundred ten".