21112021000010 has 64 divisors (see below), whose sum is σ = 38508216065280. Its totient is φ = 8332876715520.

The previous prime is 21112021000009. The next prime is 21112021000027. The reversal of 21112021000010 is 1000012021112.

It is a junction number, because it is equal to n+sod(n) for n = 21112020999955 and 21112021000000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330209726 + ... + 330273654.

It is an arithmetic number, because the mean of its divisors is an integer number (601690876020).

Almost surely, 2^{21112021000010} is an apocalyptic number.

21112021000010 is a deficient number, since it is larger than the sum of its proper divisors (17396195065270).

21112021000010 is a wasteful number, since it uses less digits than its factorization.

21112021000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65183.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21112021000010 its reverse (1000012021112), we get a palindrome (22112033021122).

The spelling of 21112021000010 in words is "twenty-one trillion, one hundred twelve billion, twenty-one million, ten", and thus it is an aban number.