221020010210202 has 16 divisors (see below), whose sum is σ = 505188594766272. Its totient is φ = 63148574345760.

The previous prime is 221020010210201. The next prime is 221020010210243. The reversal of 221020010210202 is 202012010020122.

It is not an unprimeable number, because it can be changed into a prime (221020010210201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631190597699 + ... + 2631190597782.

It is an arithmetic number, because the mean of its divisors is an integer number (31574287172892).

Almost surely, 2^{221020010210202} is an apocalyptic number.

221020010210202 is an abundant number, since it is smaller than the sum of its proper divisors (284168584556070).

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

221020010210202 is a wasteful number, since it uses less digits than its factorization.

221020010210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262381195493.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221020010210202 its reverse (202012010020122), we get a palindrome (423032020230324).

The spelling of 221020010210202 in words is "two hundred twenty-one trillion, twenty billion, ten million, two hundred ten thousand, two hundred two".