211103432220341 has 4 divisors (see below), whose sum is σ = 211251160305900. Its totient is φ = 210955704134784.

The previous prime is 211103432220287. The next prime is 211103432220391. The reversal of 211103432220341 is 143022234301112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49898612571025 + 161204819649316 = 7063895^2 + 12696646^2 .

It is a cyclic number.

It is not a de Polignac number, because 211103432220341 - 2⁶ = 211103432220277 is a prime.

It is a super-3 number, since 3×211103432220341³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103432220391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73864040636 + ... + 73864043493.

It is an arithmetic number, because the mean of its divisors is an integer number (52812790076475).

Almost surely, 2^{211103432220341} is an apocalyptic number.

It is an amenable number.

211103432220341 is a deficient number, since it is larger than the sum of its proper divisors (147728085559).

211103432220341 is a wasteful number, since it uses less digits than its factorization.

211103432220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147728085558.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 211103432220341 its reverse (143022234301112), we get a palindrome (354125666521453).

The spelling of 211103432220341 in words is "two hundred eleven trillion, one hundred three billion, four hundred thirty-two million, two hundred twenty thousand, three hundred forty-one".