21110201022 has 8 divisors (see below), whose sum is σ = 42220402056. Its totient is φ = 7036733672.

The previous prime is 21110201017. The next prime is 21110201029. The reversal of 21110201022 is 22010201112.

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

21110201022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21110200989 and 21110201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759183413 + ... + 1759183424.

It is an arithmetic number, because the mean of its divisors is an integer number (5277550257).

Almost surely, 2^21110201022 is an apocalyptic number.

21110201022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110201022 is a wasteful number, since it uses less digits than its factorization.

21110201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518366842.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21110201022 its reverse (22010201112), we get a palindrome (43120402134).

The spelling of 21110201022 in words is "twenty-one billion, one hundred ten million, two hundred one thousand, twenty-two".