21120100002110 has 64 divisors (see below), whose sum is σ = 39269074259520. Its totient is φ = 8174378634240.

The previous prime is 21120100002107. The next prime is 21120100002121. The reversal of 21120100002110 is 1120000102112.

It is a super-3 number, since 3×21120100002110³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21120100002091 and 21120100002100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24608420 + ... + 25452200.

It is an arithmetic number, because the mean of its divisors is an integer number (613579285305).

Almost surely, 2^{21120100002110} is an apocalyptic number.

21120100002110 is a deficient number, since it is larger than the sum of its proper divisors (18148974257410).

21120100002110 is a wasteful number, since it uses less digits than its factorization.

21120100002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844493.

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

Adding to 21120100002110 its reverse (1120000102112), we get a palindrome (22240100104222).

The spelling of 21120100002110 in words is "twenty-one trillion, one hundred twenty billion, one hundred million, two thousand, one hundred ten".