22221212102103 has 16 divisors (see below), whose sum is σ = 33860960576000. Its totient is φ = 12697810757856.

The previous prime is 22221212102093. The next prime is 22221212102119. The reversal of 22221212102103 is 30120121212222.

It is not a de Polignac number, because 22221212102103 - 2²⁶ = 22221144993239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221212102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221212102123) 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, 19846101 + ... + 20935857.

It is an arithmetic number, because the mean of its divisors is an integer number (2116310036000).

Almost surely, 2^{22221212102103} is an apocalyptic number.

22221212102103 is a deficient number, since it is larger than the sum of its proper divisors (11639748473897).

22221212102103 is a wasteful number, since it uses less digits than its factorization.

22221212102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060766.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22221212102103 its reverse (30120121212222), we get a palindrome (52341333314325).

The spelling of 22221212102103 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred three".