2122310421 has 24 divisors (see below), whose sum is σ = 3821997504. Its totient is φ = 1102498560.

The previous prime is 2122310389. The next prime is 2122310459. The reversal of 2122310421 is 1240132212.

It is a happy number.

2122310421 is a `hidden beast` number, since 2 + 12 + 231 + 0 + 421 = 666.

It is not a de Polignac number, because 2122310421 - 2⁵ = 2122310389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122310394 and 2122310403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122310221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1530556 + ... + 1531941.

It is an arithmetic number, because the mean of its divisors is an integer number (159249896).

Almost surely, 2^2122310421 is an apocalyptic number.

2122310421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122310421 is a deficient number, since it is larger than the sum of its proper divisors (1699687083).

2122310421 is a wasteful number, since it uses less digits than its factorization.

2122310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062521 (or 3062518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2122310421 is about 46068.5404696090. The cubic root of 2122310421 is about 1285.0981612346.

Adding to 2122310421 its reverse (1240132212), we get a palindrome (3362442633).

The spelling of 2122310421 in words is "two billion, one hundred twenty-two million, three hundred ten thousand, four hundred twenty-one".