211400244104 has 48 divisors (see below), whose sum is σ = 461129985180. Its totient is φ = 90592212480.

The previous prime is 211400244073. The next prime is 211400244137. The reversal of 211400244104 is 401442004112.

It can be written as a sum of positive squares in 2 ways, for example, as 147224155204 + 64176088900 = 383698^2 + 253330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211400244104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7811204 + ... + 7838220.

Almost surely, 2^211400244104 is an apocalyptic number.

It is an amenable number.

211400244104 is an abundant number, since it is smaller than the sum of its proper divisors (249729741076).

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

211400244104 is a wasteful number, since it uses less digits than its factorization.

211400244104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46998 (or 46987 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 211400244104 its reverse (401442004112), we get a palindrome (612842248216).

The spelling of 211400244104 in words is "two hundred eleven billion, four hundred million, two hundred forty-four thousand, one hundred four".