211143211002 has 16 divisors (see below), whose sum is σ = 469207135680. Its totient is φ = 70381070316.

The previous prime is 211143210923. The next prime is 211143211009. The reversal of 211143211002 is 200112341112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211143211009) 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, 1955029678 + ... + 1955029785.

It is an arithmetic number, because the mean of its divisors is an integer number (29325445980).

Almost surely, 2^211143211002 is an apocalyptic number.

211143211002 is an abundant number, since it is smaller than the sum of its proper divisors (258063924678).

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

211143211002 is a wasteful number, since it uses less digits than its factorization.

211143211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910059474 (or 3910059468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211143211002 its reverse (200112341112), we get a palindrome (411255552114).

The spelling of 211143211002 in words is "two hundred eleven billion, one hundred forty-three million, two hundred eleven thousand, two".