21120002211110 has 64 divisors (see below), whose sum is σ = 41718981939264. Its totient is φ = 7634325504000.

The previous prime is 21120002211103. The next prime is 21120002211149. The reversal of 21120002211110 is 1111220002112.

It is a super-4 number, since 4×21120002211110⁴ (a number of 54 digits) contains 4444 as substring.

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, 27237902 + ... + 28002558.

It is an arithmetic number, because the mean of its divisors is an integer number (651859092801).

Almost surely, 2^{21120002211110} is an apocalyptic number.

21120002211110 is a deficient number, since it is larger than the sum of its proper divisors (20598979728154).

21120002211110 is a wasteful number, since it uses less digits than its factorization.

21120002211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766169.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21120002211110 its reverse (1111220002112), we get a palindrome (22231222213222).

The spelling of 21120002211110 in words is "twenty-one trillion, one hundred twenty billion, two million, two hundred eleven thousand, one hundred ten".