21110020122010 has 64 divisors (see below), whose sum is σ = 40628163244032. Its totient is φ = 7869303668736.

The previous prime is 21110020121941. The next prime is 21110020122013. The reversal of 21110020122010 is 1022102001112.

It is not an unprimeable number, because it can be changed into a prime (21110020122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178140039 + ... + 178258501.

It is an arithmetic number, because the mean of its divisors is an integer number (634815050688).

Almost surely, 2^{21110020122010} is an apocalyptic number.

21110020122010 is a deficient number, since it is larger than the sum of its proper divisors (19518143122022).

21110020122010 is a wasteful number, since it uses less digits than its factorization.

21110020122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128767.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110020122010 its reverse (1022102001112), we get a palindrome (22132122123122).

The spelling of 21110020122010 in words is "twenty-one trillion, one hundred ten billion, twenty million, one hundred twenty-two thousand, ten".