21010103022211 has 8 divisors (see below), whose sum is σ = 21817715641344. Its totient is φ = 20210607113160.

The previous prime is 21010103022143. The next prime is 21010103022287. The reversal of 21010103022211 is 11222030101012.

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

It is not a de Polignac number, because 21010103022211 - 2²³ = 21010094633603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010103023211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029172245 + ... + 2029182598.

It is an arithmetic number, because the mean of its divisors is an integer number (2727214455168).

Almost surely, 2^{21010103022211} is an apocalyptic number.

21010103022211 is a deficient number, since it is larger than the sum of its proper divisors (807612619133).

21010103022211 is a wasteful number, since it uses less digits than its factorization.

21010103022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058355041.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21010103022211 its reverse (11222030101012), we get a palindrome (32232133123223).

The spelling of 21010103022211 in words is "twenty-one trillion, ten billion, one hundred three million, twenty-two thousand, two hundred eleven".