221020020110202 has 32 divisors (see below), whose sum is σ = 451493082086400. Its totient is φ = 72098165938608.

The previous prime is 221020020110179. The next prime is 221020020110203. The reversal of 221020020110202 is 202011020020122.

221020020110202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221020020110203) 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, 38949052 + ... + 44261367.

It is an arithmetic number, because the mean of its divisors is an integer number (14109158815200).

Almost surely, 2^{221020020110202} is an apocalyptic number.

221020020110202 is an abundant number, since it is smaller than the sum of its proper divisors (230473061976198).

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

221020020110202 is a wasteful number, since it uses less digits than its factorization.

221020020110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83219890.

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

Adding to 221020020110202 its reverse (202011020020122), we get a palindrome (423031040130324).

The spelling of 221020020110202 in words is "two hundred twenty-one trillion, twenty billion, twenty million, one hundred ten thousand, two hundred two".