210400213211 has 16 divisors (see below), whose sum is σ = 222365521728. Its totient is φ = 198680064000.

The previous prime is 210400213187. The next prime is 210400213229. The reversal of 210400213211 is 112312004012.

It is a cyclic number.

It is not a de Polignac number, because 210400213211 - 2⁶ = 210400213147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210400213211.

It is not an unprimeable number, because it can be changed into a prime (210400213271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777041 + ... + 1012221.

It is an arithmetic number, because the mean of its divisors is an integer number (13897845108).

Almost surely, 2^210400213211 is an apocalyptic number.

210400213211 is a deficient number, since it is larger than the sum of its proper divisors (11965308517).

210400213211 is a wasteful number, since it uses less digits than its factorization.

210400213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235702.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210400213211 its reverse (112312004012), we get a palindrome (322712217223).

The spelling of 210400213211 in words is "two hundred ten billion, four hundred million, two hundred thirteen thousand, two hundred eleven".