213111140401 has 4 divisors (see below), whose sum is σ = 217645420032. Its totient is φ = 208576860772.

The previous prime is 213111140399. The next prime is 213111140449. The reversal of 213111140401 is 104041111312.

213111140401 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213111140401 - 2¹ = 213111140399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111140101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267139745 + ... + 2267139838.

It is an arithmetic number, because the mean of its divisors is an integer number (54411355008).

Almost surely, 2^213111140401 is an apocalyptic number.

It is an amenable number.

213111140401 is a deficient number, since it is larger than the sum of its proper divisors (4534279631).

213111140401 is an equidigital number, since it uses as much as digits as its factorization.

213111140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534279630.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 213111140401 its reverse (104041111312), we get a palindrome (317152251713).

The spelling of 213111140401 in words is "two hundred thirteen billion, one hundred eleven million, one hundred forty thousand, four hundred one".