10221210221202 has 32 divisors (see below), whose sum is σ = 22713984048000. Its totient is φ = 3407042540304.

The previous prime is 10221210221087. The next prime is 10221210221227. The reversal of 10221210221202 is 20212201212201.

It is a happy number.

10221210221202 is a `hidden beast` number, since 1 + 0 + 221 + 21 + 0 + 221 + 202 = 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 15 ways as a sum of consecutive naturals, for example, 6636228 + ... + 8030064.

It is an arithmetic number, because the mean of its divisors is an integer number (709812001500).

Almost surely, 2^{10221210221202} is an apocalyptic number.

10221210221202 is an abundant number, since it is smaller than the sum of its proper divisors (12492773826798).

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

10221210221202 is a wasteful number, since it uses less digits than its factorization.

10221210221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529647 (or 1529641 counting only the distinct ones).

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

Adding to 10221210221202 its reverse (20212201212201), we get a palindrome (30433411433403).

Subtracting 10221210221202 from its reverse (20212201212201), we obtain a palindrome (9990990990999).

The spelling of 10221210221202 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".