221012201020011 has 8 divisors (see below), whose sum is σ = 294736328977920. Its totient is φ = 147314770204392.

The previous prime is 221012201019917. The next prime is 221012201020019. The reversal of 221012201020011 is 110020102210122.

221012201020011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221012201020011 - 2²⁶ = 221012133911147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221012201020019) 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, 6674266255 + ... + 6674299368.

It is an arithmetic number, because the mean of its divisors is an integer number (36842041122240).

Almost surely, 2^{221012201020011} is an apocalyptic number.

221012201020011 is a deficient number, since it is larger than the sum of its proper divisors (73724127957909).

221012201020011 is a wasteful number, since it uses less digits than its factorization.

221012201020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348571145.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221012201020011 its reverse (110020102210122), we get a palindrome (331032303230133).

The spelling of 221012201020011 in words is "two hundred twenty-one trillion, twelve billion, two hundred one million, twenty thousand, eleven".