2011250421 has 24 divisors (see below), whose sum is σ = 2963641824. Its totient is φ = 1314038880.

The previous prime is 2011250411. The next prime is 2011250447. The reversal of 2011250421 is 1240521102.

It is not a de Polignac number, because 2011250421 - 2⁹ = 2011249909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011250394 and 2011250403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011250401) 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, 110326 + ... + 127256.

It is an arithmetic number, because the mean of its divisors is an integer number (123485076).

Almost surely, 2^2011250421 is an apocalyptic number.

It is an amenable number.

2011250421 is a deficient number, since it is larger than the sum of its proper divisors (952391403).

2011250421 is a wasteful number, since it uses less digits than its factorization.

2011250421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201 (or 17198 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2011250421 is about 44846.9666867225. The cubic root of 2011250421 is about 1262.2790743182.

Adding to 2011250421 its reverse (1240521102), we get a palindrome (3251771523).

The spelling of 2011250421 in words is "two billion, eleven million, two hundred fifty thousand, four hundred twenty-one".