221122010202 has 16 divisors (see below), whose sum is σ = 454196561952. Its totient is φ = 71715246480.

The previous prime is 221122010159. The next prime is 221122010243. The reversal of 221122010202 is 202010221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498022324 + ... + 498022767.

It is an arithmetic number, because the mean of its divisors is an integer number (28387285122).

Almost surely, 2^221122010202 is an apocalyptic number.

221122010202 is an abundant number, since it is smaller than the sum of its proper divisors (233074551750).

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

221122010202 is a wasteful number, since it uses less digits than its factorization.

221122010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996045133.

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

Adding to 221122010202 its reverse (202010221122), we get a palindrome (423132231324).

The spelling of 221122010202 in words is "two hundred twenty-one billion, one hundred twenty-two million, ten thousand, two hundred two".