2045221210343 has 48 divisors (see below), whose sum is σ = 2299416220800. Its totient is φ = 1813018334400.

The previous prime is 2045221210313. The next prime is 2045221210379. The reversal of 2045221210343 is 3430121225402.

It is not a de Polignac number, because 2045221210343 - 2¹² = 2045221206247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045221210303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65698580 + ... + 65729702.

It is an arithmetic number, because the mean of its divisors is an integer number (47904504600).

Almost surely, 2^{2045221210343} is an apocalyptic number.

2045221210343 is a deficient number, since it is larger than the sum of its proper divisors (254195010457).

2045221210343 is a wasteful number, since it uses less digits than its factorization.

2045221210343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31324 (or 31293 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2045221210343 its reverse (3430121225402), we get a palindrome (5475342435745).

The spelling of 2045221210343 in words is "two trillion, forty-five billion, two hundred twenty-one million, two hundred ten thousand, three hundred forty-three".