213211100140 has 96 divisors (see below), whose sum is σ = 482448778560. Its totient is φ = 78852857856.

The previous prime is 213211100107. The next prime is 213211100213. The reversal of 213211100140 is 41001112312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39976914 + ... + 39982246.

It is an arithmetic number, because the mean of its divisors is an integer number (5025508110).

Almost surely, 2^213211100140 is an apocalyptic number.

213211100140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213211100140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241224389280).

213211100140 is an abundant number, since it is smaller than the sum of its proper divisors (269237678420).

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

213211100140 is a wasteful number, since it uses less digits than its factorization.

213211100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411 (or 7409 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213211100140 its reverse (41001112312), we get a palindrome (254212212452).

The spelling of 213211100140 in words is "two hundred thirteen billion, two hundred eleven million, one hundred thousand, one hundred forty".