2123221002044 has 6 divisors (see below), whose sum is σ = 3715636753584. Its totient is φ = 1061610501020.

The previous prime is 2123221002031. The next prime is 2123221002109. The reversal of 2123221002044 is 4402001223212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265402625252 + ... + 265402625259.

It is an arithmetic number, because the mean of its divisors is an integer number (619272792264).

Almost surely, 2^{2123221002044} is an apocalyptic number.

It is an amenable number.

2123221002044 is a deficient number, since it is larger than the sum of its proper divisors (1592415751540).

2123221002044 is a wasteful number, since it uses less digits than its factorization.

2123221002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530805250515 (or 530805250513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2123221002044 its reverse (4402001223212), we get a palindrome (6525222225256).

The spelling of 2123221002044 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, two thousand, forty-four".