21030303223110 has 32 divisors (see below), whose sum is σ = 50835840894720. Its totient is φ = 5567734952928.

The previous prime is 21030303223103. The next prime is 21030303223141. The reversal of 21030303223110 is 1132230303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521614922 + ... + 2521623261.

It is an arithmetic number, because the mean of its divisors is an integer number (1588620027960).

Almost surely, 2^{21030303223110} is an apocalyptic number.

21030303223110 is an abundant number, since it is smaller than the sum of its proper divisors (29805537671610).

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

21030303223110 is a wasteful number, since it uses less digits than its factorization.

21030303223110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043238332.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21030303223110 its reverse (1132230303012), we get a palindrome (22162533526122).

The spelling of 21030303223110 in words is "twenty-one trillion, thirty billion, three hundred three million, two hundred twenty-three thousand, one hundred ten".