21014211110 has 16 divisors (see below), whose sum is σ = 38160321696. Its totient is φ = 8331297408.

The previous prime is 21014211077. The next prime is 21014211121. The reversal of 21014211110 is 1111241012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9297194 + ... + 9299453.

It is an arithmetic number, because the mean of its divisors is an integer number (2385020106).

Almost surely, 2^21014211110 is an apocalyptic number.

21014211110 is a deficient number, since it is larger than the sum of its proper divisors (17146110586).

21014211110 is a wasteful number, since it uses less digits than its factorization.

21014211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18596767.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21014211110 its reverse (1111241012), we get a palindrome (22125452122).

The spelling of 21014211110 in words is "twenty-one billion, fourteen million, two hundred eleven thousand, one hundred ten".