2121023203122 has 8 divisors (see below), whose sum is σ = 4242046406256. Its totient is φ = 707007734372.

The previous prime is 2121023203099. The next prime is 2121023203177. The reversal of 2121023203122 is 2213023201212.

It is a sphenic number, since it is the product of 3 distinct primes.

2121023203122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176751933588 + ... + 176751933599.

It is an arithmetic number, because the mean of its divisors is an integer number (530255800782).

Almost surely, 2^{2121023203122} is an apocalyptic number.

2121023203122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121023203122 is a wasteful number, since it uses less digits than its factorization.

2121023203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353503867192.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121023203122 its reverse (2213023201212), we get a palindrome (4334046404334).

The spelling of 2121023203122 in words is "two trillion, one hundred twenty-one billion, twenty-three million, two hundred three thousand, one hundred twenty-two".