2102223012444 has 84 divisors (see below), whose sum is σ = 5609300964120. Its totient is φ = 688863981600.

The previous prime is 2102223012431. The next prime is 2102223012467. The reversal of 2102223012444 is 4442103222012.

It is a happy number.

2102223012444 is a `hidden beast` number, since 210 + 2 + 2 + 2 + 3 + 0 + 1 + 2 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5937507 + ... + 6281594.

It is an arithmetic number, because the mean of its divisors is an integer number (66777392430).

Almost surely, 2^{2102223012444} is an apocalyptic number.

It is an amenable number.

2102223012444 is an abundant number, since it is smaller than the sum of its proper divisors (3507077951676).

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

2102223012444 is a wasteful number, since it uses less digits than its factorization.

2102223012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219182 (or 12219165 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2102223012444 its reverse (4442103222012), we get a palindrome (6544326234456).

The spelling of 2102223012444 in words is "two trillion, one hundred two billion, two hundred twenty-three million, twelve thousand, four hundred forty-four".