21202101120011 has 8 divisors (see below), whose sum is σ = 24234459736800. Its totient is φ = 18170614260288.

The previous prime is 21202101119981. The next prime is 21202101120029. The reversal of 21202101120011 is 11002110120212.

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

It is a de Polignac number, because none of the positive numbers 2^k-21202101120011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202101120041) 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, 217887146 + ... + 217984431.

It is an arithmetic number, because the mean of its divisors is an integer number (3029307467100).

Almost surely, 2^{21202101120011} is an apocalyptic number.

21202101120011 is a deficient number, since it is larger than the sum of its proper divisors (3032358616789).

21202101120011 is an equidigital number, since it uses as much as digits as its factorization.

21202101120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435878533.

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

Adding to 21202101120011 its reverse (11002110120212), we get a palindrome (32204211240223).

The spelling of 21202101120011 in words is "twenty-one trillion, two hundred two billion, one hundred one million, one hundred twenty thousand, eleven".