210323131123211 has 4 divisors (see below), whose sum is σ = 221392769603400. Its totient is φ = 199253492643024.

The previous prime is 210323131123207. The next prime is 210323131123219. The reversal of 210323131123211 is 112321131323012.

210323131123211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210323131123211 - 2² = 210323131123207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210323131123219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534819240066 + ... + 5534819240103.

It is an arithmetic number, because the mean of its divisors is an integer number (55348192400850).

Almost surely, 2^{210323131123211} is an apocalyptic number.

210323131123211 is a deficient number, since it is larger than the sum of its proper divisors (11069638480189).

210323131123211 is a wasteful number, since it uses less digits than its factorization.

210323131123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069638480188.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 210323131123211 its reverse (112321131323012), we get a palindrome (322644262446223).

The spelling of 210323131123211 in words is "two hundred ten trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred eleven".