21030400002110 has 16 divisors (see below), whose sum is σ = 38021480888976. Its totient is φ = 8375102026368.

The previous prime is 21030400002061. The next prime is 21030400002119. The reversal of 21030400002110 is 1120000403012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030400002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632244427 + ... + 4632248966.

It is an arithmetic number, because the mean of its divisors is an integer number (2376342555561).

Almost surely, 2^{21030400002110} is an apocalyptic number.

21030400002110 is a deficient number, since it is larger than the sum of its proper divisors (16991080886866).

21030400002110 is a wasteful number, since it uses less digits than its factorization.

21030400002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264493627.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21030400002110 its reverse (1120000403012), we get a palindrome (22150400405122).

The spelling of 21030400002110 in words is "twenty-one trillion, thirty billion, four hundred million, two thousand, one hundred ten".