10221220102 has 32 divisors (see below), whose sum is σ = 16198978752. Its totient is φ = 4827508224.

The previous prime is 10221220073. The next prime is 10221220109. The reversal of 10221220102 is 20102212201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221220109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237378 + ... + 1245610.

It is an arithmetic number, because the mean of its divisors is an integer number (506218086).

Almost surely, 2^10221220102 is an apocalyptic number.

10221220102 is a deficient number, since it is larger than the sum of its proper divisors (5977758650).

10221220102 is a wasteful number, since it uses less digits than its factorization.

10221220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221220102 its reverse (20102212201), we get a palindrome (30323432303).

The spelling of 10221220102 in words is "ten billion, two hundred twenty-one million, two hundred twenty thousand, one hundred two".