2123104421226 has 16 divisors (see below), whose sum is σ = 4246225092000. Its totient is φ = 707698765488.

The previous prime is 2123104421219. The next prime is 2123104421231. The reversal of 2123104421226 is 6221244013212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2123104421193 and 2123104421202.

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, 1621980 + ... + 2622408.

It is an arithmetic number, because the mean of its divisors is an integer number (265389068250).

Almost surely, 2^{2123104421226} is an apocalyptic number.

2123104421226 is an abundant number, since it is smaller than the sum of its proper divisors (2123120670774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123104421226 is a wasteful number, since it uses less digits than its factorization.

2123104421226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354133.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 2123104421226 its reverse (6221244013212), we get a palindrome (8344348434438).

The spelling of 2123104421226 in words is "two trillion, one hundred twenty-three billion, one hundred four million, four hundred twenty-one thousand, two hundred twenty-six".