21014110 has 32 divisors (see below), whose sum is σ = 41136480. Its totient is φ = 7682688.

The previous prime is 21014101. The next prime is 21014131. The reversal of 21014110 is 1141012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13429 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (1285515).

Almost surely, 2^21014110 is an apocalyptic number.

21014110 is a deficient number, since it is larger than the sum of its proper divisors (20122370).

21014110 is a wasteful number, since it uses less digits than its factorization.

21014110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 21014110 is about 4584.1149636544. The cubic root of 21014110 is about 275.9541949471.

Adding to 21014110 its reverse (1141012), we get a palindrome (22155122).

The spelling of 21014110 in words is "twenty-one million, fourteen thousand, one hundred ten".