22212122221102 has 16 divisors (see below), whose sum is σ = 36347211263232. Its totient is φ = 10096390809720.

The previous prime is 22212122221067. The next prime is 22212122221139. The reversal of 22212122221102 is 20112222121222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7963573 + ... + 10384735.

It is an arithmetic number, because the mean of its divisors is an integer number (2271700703952).

Almost surely, 2^{22212122221102} is an apocalyptic number.

22212122221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212122221102 is a deficient number, since it is larger than the sum of its proper divisors (14135089042130).

22212122221102 is a wasteful number, since it uses less digits than its factorization.

22212122221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838183.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22212122221102 its reverse (20112222121222), we get a palindrome (42324344342324).

The spelling of 22212122221102 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred two".