21110202030213 has 24 divisors (see below), whose sum is σ = 30778687019808. Its totient is φ = 13941398410272.

The previous prime is 21110202030167. The next prime is 21110202030241. The reversal of 21110202030213 is 31203020201112.

21110202030213 is a `hidden beast` number, since 211 + 10 + 202 + 0 + 30 + 213 = 666.

It is not a de Polignac number, because 21110202030213 - 2⁶ = 21110202030149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110202035213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25161670 + ... + 25987112.

It is an arithmetic number, because the mean of its divisors is an integer number (1282445292492).

Almost surely, 2^{21110202030213} is an apocalyptic number.

It is an amenable number.

21110202030213 is a deficient number, since it is larger than the sum of its proper divisors (9668484989595).

21110202030213 is a wasteful number, since it uses less digits than its factorization.

21110202030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852113 (or 852110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21110202030213 its reverse (31203020201112), we get a palindrome (52313222231325).

The spelling of 21110202030213 in words is "twenty-one trillion, one hundred ten billion, two hundred two million, thirty thousand, two hundred thirteen".