210211131411421 has 12 divisors (see below), whose sum is σ = 244531975154880. Its totient is φ = 180180484185240.

The previous prime is 210211131411373. The next prime is 210211131411487. The reversal of 210211131411421 is 124114131112012.

It is not a de Polignac number, because 210211131411421 - 2²⁷ = 210210997193693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211132411421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13216750 + ... + 24394768.

It is an arithmetic number, because the mean of its divisors is an integer number (20377664596240).

Almost surely, 2^{210211131411421} is an apocalyptic number.

It is an amenable number.

210211131411421 is a deficient number, since it is larger than the sum of its proper divisors (34320843743459).

210211131411421 is a wasteful number, since it uses less digits than its factorization.

210211131411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561824 (or 11561817 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 210211131411421 its reverse (124114131112012), we get a palindrome (334325262523433).

The spelling of 210211131411421 in words is "two hundred ten trillion, two hundred eleven billion, one hundred thirty-one million, four hundred eleven thousand, four hundred twenty-one".