21141098 has 16 divisors (see below), whose sum is σ = 36630144. Its totient is φ = 9044160.

The previous prime is 21141089. The next prime is 21141103. The reversal of 21141098 is 89014112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27890 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (2289384).

Almost surely, 2^21141098 is an apocalyptic number.

21141098 is a deficient number, since it is larger than the sum of its proper divisors (15489046).

21141098 is a wasteful number, since it uses less digits than its factorization.

21141098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56557.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 21141098 is about 4597.9449757473. The cubic root of 21141098 is about 276.5089415667.

The spelling of 21141098 in words is "twenty-one million, one hundred forty-one thousand, ninety-eight".