221010222102 has 32 divisors (see below), whose sum is σ = 465039326304. Its totient is φ = 69930720000.

The previous prime is 221010222091. The next prime is 221010222109. The reversal of 221010222102 is 201222010122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010222109) 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, 12131649 + ... + 12149852.

It is an arithmetic number, because the mean of its divisors is an integer number (14532478947).

Almost surely, 2^221010222102 is an apocalyptic number.

221010222102 is an abundant number, since it is smaller than the sum of its proper divisors (244029104202).

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

221010222102 is a wasteful number, since it uses less digits than its factorization.

221010222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24281584.

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

Adding to 221010222102 its reverse (201222010122), we get a palindrome (422232232224).

The spelling of 221010222102 in words is "two hundred twenty-one billion, ten million, two hundred twenty-two thousand, one hundred two".