2121123323122 has 64 divisors (see below), whose sum is σ = 3447290880000. Its totient is φ = 975781235520.

The previous prime is 2121123323119. The next prime is 2121123323177. The reversal of 2121123323122 is 2213233211212.

It is a super-3 number, since 3×2121123323122³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93558004 + ... + 93580672.

It is an arithmetic number, because the mean of its divisors is an integer number (53863920000).

Almost surely, 2^{2121123323122} is an apocalyptic number.

2121123323122 is a deficient number, since it is larger than the sum of its proper divisors (1326167556878).

2121123323122 is a wasteful number, since it uses less digits than its factorization.

2121123323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23279.

The product of its digits is 1728, while the sum is 25.

Adding to 2121123323122 its reverse (2213233211212), we get a palindrome (4334356534334).

The spelling of 2121123323122 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty-two".