21120022100010 has 32 divisors (see below), whose sum is σ = 50688351489600. Its totient is φ = 5631972732288.

The previous prime is 21120022099991. The next prime is 21120022100017. The reversal of 21120022100010 is 1000122002112.

21120022100010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21120022100017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339141 + ... + 7306839.

It is an arithmetic number, because the mean of its divisors is an integer number (1584010984050).

Almost surely, 2^{21120022100010} is an apocalyptic number.

21120022100010 is an abundant number, since it is smaller than the sum of its proper divisors (29568329389590).

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

21120022100010 is a wasteful number, since it uses less digits than its factorization.

21120022100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145142.

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

Adding to 21120022100010 its reverse (1000122002112), we get a palindrome (22120144102122).

The spelling of 21120022100010 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, one hundred thousand, ten".