21200211010 has 16 divisors (see below), whose sum is σ = 41629505472. Its totient is φ = 7709167600.

The previous prime is 21200210981. The next prime is 21200211037. The reversal of 21200211010 is 1011200212.

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, 96364486 + ... + 96364705.

It is an arithmetic number, because the mean of its divisors is an integer number (2601844092).

Almost surely, 2^21200211010 is an apocalyptic number.

21200211010 is a deficient number, since it is larger than the sum of its proper divisors (20429294462).

21200211010 is a wasteful number, since it uses less digits than its factorization.

21200211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192729209.

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

Adding to 21200211010 its reverse (1011200212), we get a palindrome (22211411222).

The spelling of 21200211010 in words is "twenty-one billion, two hundred million, two hundred eleven thousand, ten".