4211220312001 has 2 divisors, whose sum is σ = 4211220312002. Its totient is φ = 4211220312000.

The previous prime is 4211220311983. The next prime is 4211220312049. The reversal of 4211220312001 is 1002130221124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3394364064400 + 816856247601 = 1842380^2 + 903801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4211220312001 - 2⁷ = 4211220311873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4211220312001.

It is not a weakly prime, because it can be changed into another prime (4211220342001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105610156000 + 2105610156001.

It is an arithmetic number, because the mean of its divisors is an integer number (2105610156001).

Almost surely, 2^{4211220312001} is an apocalyptic number.

It is an amenable number.

4211220312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4211220312001 is an equidigital number, since it uses as much as digits as its factorization.

4211220312001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 4211220312001 its reverse (1002130221124), we get a palindrome (5213350533125).

The spelling of 4211220312001 in words is "four trillion, two hundred eleven billion, two hundred twenty million, three hundred twelve thousand, one".