2102223012445 has 24 divisors (see below), whose sum is σ = 2613626701920. Its totient is φ = 1623182608320.

The previous prime is 2102223012431. The next prime is 2102223012467. The reversal of 2102223012445 is 5442103222012.

It is not a de Polignac number, because 2102223012445 - 2⁵ = 2102223012413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11392326 + ... + 11575384.

It is an arithmetic number, because the mean of its divisors is an integer number (108901112580).

Almost surely, 2^{2102223012445} is an apocalyptic number.

It is an amenable number.

2102223012445 is a deficient number, since it is larger than the sum of its proper divisors (511403689475).

2102223012445 is a wasteful number, since it uses less digits than its factorization.

2102223012445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185853 (or 185824 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2102223012445 its reverse (5442103222012), we get a palindrome (7544326234457).

The spelling of 2102223012445 in words is "two trillion, one hundred two billion, two hundred twenty-three million, twelve thousand, four hundred forty-five".