21102122001101 has 8 divisors (see below), whose sum is σ = 21611209598208. Its totient is φ = 20598919810000.

The previous prime is 21102122001089. The next prime is 21102122001119. The reversal of 21102122001101 is 10110022120112.

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

It is a cyclic number.

It is not a de Polignac number, because 21102122001101 - 2¹⁴ = 21102121984717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102122000101) 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, 1471344245 + ... + 1471358586.

It is an arithmetic number, because the mean of its divisors is an integer number (2701401199776).

Almost surely, 2^{21102122001101} is an apocalyptic number.

It is an amenable number.

21102122001101 is a deficient number, since it is larger than the sum of its proper divisors (509087597107).

21102122001101 is a wasteful number, since it uses less digits than its factorization.

21102122001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942703003.

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

Adding to 21102122001101 its reverse (10110022120112), we get a palindrome (31212144121213).

The spelling of 21102122001101 in words is "twenty-one trillion, one hundred two billion, one hundred twenty-two million, one thousand, one hundred one".