21141010 has 16 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 7687600.

The previous prime is 21141007. The next prime is 21141037. The reversal of 21141010 is 1014112.

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

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, 95986 + ... + 96205.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^21141010 is an apocalyptic number.

21141010 is a deficient number, since it is larger than the sum of its proper divisors (20372462).

21141010 is a wasteful number, since it uses less digits than its factorization.

21141010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192209.

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

The square root of 21141010 is about 4597.9354062449. The cubic root of 21141010 is about 276.5085579092.

Adding to 21141010 its reverse (1014112), we get a palindrome (22155122).

The spelling of 21141010 in words is "twenty-one million, one hundred forty-one thousand, ten".