100221022021011 has 4 divisors (see below), whose sum is σ = 133628029361352. Its totient is φ = 66814014680672.

The previous prime is 100221022020997. The next prime is 100221022021103. The reversal of 100221022021011 is 110120220122001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100221022021011 - 2⁶ = 100221022020947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221022020011) 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 3 ways as a sum of consecutive naturals, for example, 16703503670166 + ... + 16703503670171.

It is an arithmetic number, because the mean of its divisors is an integer number (33407007340338).

Almost surely, 2^{100221022021011} is an apocalyptic number.

100221022021011 is a deficient number, since it is larger than the sum of its proper divisors (33407007340341).

100221022021011 is an equidigital number, since it uses as much as digits as its factorization.

100221022021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407007340340.

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

Adding to 100221022021011 its reverse (110120220122001), we get a palindrome (210341242143012).

The spelling of 100221022021011 in words is "one hundred trillion, two hundred twenty-one billion, twenty-two million, twenty-one thousand, eleven".