21012110300211 has 8 divisors (see below), whose sum is σ = 28018074885840. Its totient is φ = 14007109624032.

The previous prime is 21012110300191. The next prime is 21012110300213. The reversal of 21012110300211 is 11200301121012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21012110300211 - 2⁵ = 21012110300179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21012110300213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240926496 + ... + 241013693.

It is an arithmetic number, because the mean of its divisors is an integer number (3502259360730).

Almost surely, 2^{21012110300211} is an apocalyptic number.

21012110300211 is a deficient number, since it is larger than the sum of its proper divisors (7005964585629).

21012110300211 is a wasteful number, since it uses less digits than its factorization.

21012110300211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481954725.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 21012110300211 its reverse (11200301121012), we get a palindrome (32212411421223).

The spelling of 21012110300211 in words is "twenty-one trillion, twelve billion, one hundred ten million, three hundred thousand, two hundred eleven".