22221212102102 has 16 divisors (see below), whose sum is σ = 37785057016560. Its totient is φ = 9716157518112.

The previous prime is 22221212102093. The next prime is 22221212102119. The reversal of 22221212102102 is 20120121212222.

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, 22491104873 + ... + 22491105860.

It is an arithmetic number, because the mean of its divisors is an integer number (2361566063535).

Almost surely, 2^{22221212102102} is an apocalyptic number.

22221212102102 is a deficient number, since it is larger than the sum of its proper divisors (15563844914458).

22221212102102 is a wasteful number, since it uses less digits than its factorization.

22221212102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982210767.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221212102102 its reverse (20120121212222), we get a palindrome (42341333314324).

The spelling of 22221212102102 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred two".