2043221102044 has 24 divisors (see below), whose sum is σ = 3644709648048. Its totient is φ = 1001892503040.

The previous prime is 2043221102029. The next prime is 2043221102053. The reversal of 2043221102044 is 4402011223402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645077 + ... + 2606284.

It is an arithmetic number, because the mean of its divisors is an integer number (151862902002).

Almost surely, 2^{2043221102044} is an apocalyptic number.

It is an amenable number.

2043221102044 is a deficient number, since it is larger than the sum of its proper divisors (1601488546004).

2043221102044 is a wasteful number, since it uses less digits than its factorization.

2043221102044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253685 (or 4253683 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2043221102044 its reverse (4402011223402), we get a palindrome (6445232325446).

The spelling of 2043221102044 in words is "two trillion, forty-three billion, two hundred twenty-one million, one hundred two thousand, forty-four".