10221203102 has 24 divisors (see below), whose sum is σ = 17652245112. Its totient is φ = 4401471600.

The previous prime is 10221203101. The next prime is 10221203107. The reversal of 10221203102 is 20130212201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221203101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635549 + ... + 651432.

It is an arithmetic number, because the mean of its divisors is an integer number (735510213).

Almost surely, 2^10221203102 is an apocalyptic number.

10221203102 is a deficient number, since it is larger than the sum of its proper divisors (7431042010).

10221203102 is a wasteful number, since it uses less digits than its factorization.

10221203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287032 (or 1287013 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10221203102 its reverse (20130212201), we get a palindrome (30351415303).

Subtracting 10221203102 from its reverse (20130212201), we obtain a palindrome (9909009099).

The spelling of 10221203102 in words is "ten billion, two hundred twenty-one million, two hundred three thousand, one hundred two".