21050114 has 32 divisors (see below), whose sum is σ = 35581680. Its totient is φ = 9289728.

The previous prime is 21050111. The next prime is 21050137. The reversal of 21050114 is 41105012.

It can be written as a sum of positive squares in 8 ways, for example, as 21003889 + 46225 = 4583^2 + 215^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21050111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36194 + ... + 36770.

Almost surely, 2^21050114 is an apocalyptic number.

21050114 is a deficient number, since it is larger than the sum of its proper divisors (14531566).

21050114 is a wasteful number, since it uses less digits than its factorization.

21050114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 21050114 is about 4588.0403224035. The cubic root of 21050114 is about 276.1117047664. Note that the first 3 decimals are identical.

Adding to 21050114 its reverse (41105012), we get a palindrome (62155126).

The spelling of 21050114 in words is "twenty-one million, fifty thousand, one hundred fourteen".