21301202222011 has 8 divisors (see below), whose sum is σ = 21745750451760. Its totient is φ = 20858233205472.

The previous prime is 21301202222009. The next prime is 21301202222087. The reversal of 21301202222011 is 11022220210312.

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 21301202222011 - 2¹ = 21301202222009 is a prime.

It is a super-2 number, since 2×21301202222011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21301202222011.

It is not an unprimeable number, because it can be changed into a prime (21301202222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394776045 + ... + 394829998.

It is an arithmetic number, because the mean of its divisors is an integer number (2718218806470).

Almost surely, 2^{21301202222011} is an apocalyptic number.

21301202222011 is a deficient number, since it is larger than the sum of its proper divisors (444548229749).

21301202222011 is an equidigital number, since it uses as much as digits as its factorization.

21301202222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789606605.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21301202222011 its reverse (11022220210312), we get a palindrome (32323422432323).

The spelling of 21301202222011 in words is "twenty-one trillion, three hundred one billion, two hundred two million, two hundred twenty-two thousand, eleven".