2123121022 has 8 divisors (see below), whose sum is σ = 3474198072. Its totient is φ = 965055000.

The previous prime is 2123121017. The next prime is 2123121067. The reversal of 2123121022 is 2201213212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2123120987 and 2123121005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48252729 + ... + 48252772.

It is an arithmetic number, because the mean of its divisors is an integer number (434274759).

Almost surely, 2^2123121022 is an apocalyptic number.

2123121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123121022 is a deficient number, since it is larger than the sum of its proper divisors (1351077050).

2123121022 is a wasteful number, since it uses less digits than its factorization.

2123121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96505514.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2123121022 is about 46077.3374013734. The cubic root of 2123121022 is about 1285.2617517017.

Adding to 2123121022 its reverse (2201213212), we get a palindrome (4324334234).

The spelling of 2123121022 in words is "two billion, one hundred twenty-three million, one hundred twenty-one thousand, twenty-two".