211420220241 has 8 divisors (see below), whose sum is σ = 284045487264. Its totient is φ = 139870883360.

The previous prime is 211420220237. The next prime is 211420220269. The reversal of 211420220241 is 142022024112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211420220241 - 2² = 211420220237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211420260241) 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, 268982076 + ... + 268982861.

It is an arithmetic number, because the mean of its divisors is an integer number (35505685908).

Almost surely, 2^211420220241 is an apocalyptic number.

It is an amenable number.

211420220241 is a deficient number, since it is larger than the sum of its proper divisors (72625267023).

211420220241 is a wasteful number, since it uses less digits than its factorization.

211420220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537965071.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211420220241 its reverse (142022024112), we get a palindrome (353442244353).

The spelling of 211420220241 in words is "two hundred eleven billion, four hundred twenty million, two hundred twenty thousand, two hundred forty-one".