21110202001101 has 8 divisors (see below), whose sum is σ = 28425618536544. Its totient is φ = 13934126733200.

The previous prime is 21110202001087. The next prime is 21110202001129. The reversal of 21110202001101 is 10110020201112.

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 21110202001101 - 2¹³ = 21110201992909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110202001171) 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, 34835316531 + ... + 34835317136.

It is an arithmetic number, because the mean of its divisors is an integer number (3553202317068).

Almost surely, 2^{21110202001101} is an apocalyptic number.

It is an amenable number.

21110202001101 is a deficient number, since it is larger than the sum of its proper divisors (7315416535443).

21110202001101 is a wasteful number, since it uses less digits than its factorization.

21110202001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69670633771.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21110202001101 its reverse (10110020201112), we get a palindrome (31220222202213).

The spelling of 21110202001101 in words is "twenty-one trillion, one hundred ten billion, two hundred two million, one thousand, one hundred one".