2123104421225 has 12 divisors (see below), whose sum is σ = 2633896657920. Its totient is φ = 1697678907600.

The previous prime is 2123104421219. The next prime is 2123104421231. The reversal of 2123104421225 is 5221244013212.

It is an interprime number because it is at equal distance from previous prime (2123104421219) and next prime (2123104421231).

It is not a de Polignac number, because 2123104421225 - 2⁶ = 2123104421161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20061905 + ... + 20167454.

It is an arithmetic number, because the mean of its divisors is an integer number (219491388160).

Almost surely, 2^{2123104421225} is an apocalyptic number.

2123104421225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123104421225 is a deficient number, since it is larger than the sum of its proper divisors (510792236695).

2123104421225 is a wasteful number, since it uses less digits than its factorization.

2123104421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40231480 (or 40231475 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2123104421225 its reverse (5221244013212), we get a palindrome (7344348434437).

The spelling of 2123104421225 in words is "two trillion, one hundred twenty-three billion, one hundred four million, four hundred twenty-one thousand, two hundred twenty-five".