221222234030102 has 16 divisors (see below), whose sum is σ = 351354052259280. Its totient is φ = 104104257067008.

The previous prime is 221222234030099. The next prime is 221222234030129. The reversal of 221222234030102 is 201030432222122.

It is a congruent number.

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, 1165238 + ... + 21066614.

It is an arithmetic number, because the mean of its divisors is an integer number (21959628266205).

Almost surely, 2^{221222234030102} is an apocalyptic number.

221222234030102 is a deficient number, since it is larger than the sum of its proper divisors (130131818229178).

221222234030102 is a wasteful number, since it uses less digits than its factorization.

221222234030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228335.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221222234030102 its reverse (201030432222122), we get a palindrome (422252666252224).

The spelling of 221222234030102 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred thirty-four million, thirty thousand, one hundred two".