21022010020112 has 40 divisors (see below), whose sum is σ = 41831721603672. Its totient is φ = 10226737382400.

The previous prime is 21022010020103. The next prime is 21022010020117. The reversal of 21022010020112 is 21102001022012.

It can be written as a sum of positive squares in 4 ways, for example, as 7552405370896 + 13469604649216 = 2748164^2 + 3670096^2 .

It is not an unprimeable number, because it can be changed into a prime (21022010020117) 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 7 ways as a sum of consecutive naturals, for example, 35535062 + ... + 36121802.

Almost surely, 2^{21022010020112} is an apocalyptic number.

It is an amenable number.

21022010020112 is a deficient number, since it is larger than the sum of its proper divisors (20809711583560).

21022010020112 is a wasteful number, since it uses less digits than its factorization.

21022010020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647307 (or 647301 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21022010020112 its reverse (21102001022012), we get a palindrome (42124011042124).

The spelling of 21022010020112 in words is "twenty-one trillion, twenty-two billion, ten million, twenty thousand, one hundred twelve".