10202221021302 has 40 divisors (see below), whose sum is σ = 22976575671456. Its totient is φ = 3383477688528.

The previous prime is 10202221021301. The next prime is 10202221021319. The reversal of 10202221021302 is 20312012220201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202221021301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 159807358 + ... + 159871185.

Almost surely, 2^{10202221021302} is an apocalyptic number.

10202221021302 is an abundant number, since it is smaller than the sum of its proper divisors (12774354650154).

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

10202221021302 is a wasteful number, since it uses less digits than its factorization.

10202221021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319678754 (or 319678745 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10202221021302 its reverse (20312012220201), we get a palindrome (30514233241503).

The spelling of 10202221021302 in words is "ten trillion, two hundred two billion, two hundred twenty-one million, twenty-one thousand, three hundred two".