2123210122 has 8 divisors (see below), whose sum is σ = 3474343872. Its totient is φ = 965095500.

The previous prime is 2123210113. The next prime is 2123210123. The reversal of 2123210122 is 2210123212.

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 = 2123210096 and 2123210105.

It is not an unprimeable number, because it can be changed into a prime (2123210123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48254754 + ... + 48254797.

It is an arithmetic number, because the mean of its divisors is an integer number (434292984).

Almost surely, 2^2123210122 is an apocalyptic number.

2123210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123210122 is a deficient number, since it is larger than the sum of its proper divisors (1351133750).

2123210122 is a wasteful number, since it uses less digits than its factorization.

2123210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96509564.

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

The square root of 2123210122 is about 46078.3042439715. The cubic root of 2123210122 is about 1285.2797307710.

Adding to 2123210122 its reverse (2210123212), we get a palindrome (4333333334).

The spelling of 2123210122 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, one hundred twenty-two".