221010222202 has 216 divisors, whose sum is σ = 473841398772. Its totient is φ = 76752023040.

The previous prime is 221010222197. The next prime is 221010222271. The reversal of 221010222202 is 202222010122.

It can be written as a sum of positive squares in 2 ways, for example, as 196505137521 + 24505084681 = 443289^2 + 156541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 72771028 + ... + 72774064.

Almost surely, 2^221010222202 is an apocalyptic number.

221010222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010222202 is an abundant number, since it is smaller than the sum of its proper divisors (252831176570).

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

221010222202 is a wasteful number, since it uses less digits than its factorization.

221010222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221010222202 its reverse (202222010122), we get a palindrome (423232232324).

The spelling of 221010222202 in words is "two hundred twenty-one billion, ten million, two hundred twenty-two thousand, two hundred two".