213110202033421 has 32 divisors (see below), whose sum is σ = 267077088792576. Its totient is φ = 165196644480000.

The previous prime is 213110202033343. The next prime is 213110202033439. The reversal of 213110202033421 is 124330202011312.

213110202033421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213110202033421 - 2¹¹ = 213110202031373 is a prime.

It is a super-2 number, since 2×213110202033421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110202031421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399101856 + ... + 1399254166.

It is an arithmetic number, because the mean of its divisors is an integer number (8346159024768).

Almost surely, 2^{213110202033421} is an apocalyptic number.

It is an amenable number.

213110202033421 is a deficient number, since it is larger than the sum of its proper divisors (53966886759155).

213110202033421 is a wasteful number, since it uses less digits than its factorization.

213110202033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246673.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213110202033421 its reverse (124330202011312), we get a palindrome (337440404044733).

The spelling of 213110202033421 in words is "two hundred thirteen trillion, one hundred ten billion, two hundred two million, thirty-three thousand, four hundred twenty-one".