213051110144 has 72 divisors (see below), whose sum is σ = 437223765888. Its totient is φ = 103537336320.

The previous prime is 213051110141. The next prime is 213051110147. The reversal of 213051110144 is 441011150312.

It is an interprime number because it is at equal distance from previous prime (213051110141) and next prime (213051110147).

It is not an unprimeable number, because it can be changed into a prime (213051110141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9375404 + ... + 9398100.

It is an arithmetic number, because the mean of its divisors is an integer number (6072552304).

Almost surely, 2^213051110144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213051110144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218611882944).

213051110144 is an abundant number, since it is smaller than the sum of its proper divisors (224172655744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213051110144 is an equidigital number, since it uses as much as digits as its factorization.

213051110144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23741 (or 23727 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 213051110144 its reverse (441011150312), we get a palindrome (654062260456).

The spelling of 213051110144 in words is "two hundred thirteen billion, fifty-one million, one hundred ten thousand, one hundred forty-four".