221010212202 has 32 divisors (see below), whose sum is σ = 476341938240. Its totient is φ = 67957436160.

The previous prime is 221010212201. The next prime is 221010212207. The reversal of 221010212202 is 202212010122.

It is not an unprimeable number, because it can be changed into a prime (221010212201) 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, 835324 + ... + 1067607.

It is an arithmetic number, because the mean of its divisors is an integer number (14885685570).

Almost surely, 2^221010212202 is an apocalyptic number.

221010212202 is an abundant number, since it is smaller than the sum of its proper divisors (255331726038).

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

221010212202 is a wasteful number, since it uses less digits than its factorization.

221010212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904438.

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

Adding to 221010212202 its reverse (202212010122), we get a palindrome (423222222324).

The spelling of 221010212202 in words is "two hundred twenty-one billion, ten million, two hundred twelve thousand, two hundred two".