211404343240110 has 32 divisors (see below), whose sum is σ = 507421514051712. Its totient is φ = 56368814833440.

The previous prime is 211404343240091. The next prime is 211404343240147. The reversal of 211404343240110 is 11042343404112.

It is a happy number.

It is a super-2 number, since 2×211404343240110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354490684 + ... + 355086543.

It is an arithmetic number, because the mean of its divisors is an integer number (15856922314116).

Almost surely, 2^{211404343240110} is an apocalyptic number.

211404343240110 is an abundant number, since it is smaller than the sum of its proper divisors (296017170811602).

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

211404343240110 is a wasteful number, since it uses less digits than its factorization.

211404343240110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709587168.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 211404343240110 its reverse (11042343404112), we get a palindrome (222446686644222).

The spelling of 211404343240110 in words is "two hundred eleven trillion, four hundred four billion, three hundred forty-three million, two hundred forty thousand, one hundred ten".