420544001512211 has 2 divisors, whose sum is σ = 420544001512212. Its totient is φ = 420544001512210.

The previous prime is 420544001512207. The next prime is 420544001512273. The reversal of 420544001512211 is 112215100445024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420544001512211 - 2² = 420544001512207 is a prime.

It is not a weakly prime, because it can be changed into another prime (420544001512291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210272000756105 + 210272000756106.

It is an arithmetic number, because the mean of its divisors is an integer number (210272000756106).

Almost surely, 2^{420544001512211} is an apocalyptic number.

420544001512211 is a deficient number, since it is larger than the sum of its proper divisors (1).

420544001512211 is an equidigital number, since it uses as much as digits as its factorization.

420544001512211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 420544001512211 its reverse (112215100445024), we get a palindrome (532759101957235).

The spelling of 420544001512211 in words is "four hundred twenty trillion, five hundred forty-four billion, one million, five hundred twelve thousand, two hundred eleven".