2221020001211 has 16 divisors (see below), whose sum is σ = 2453388870528. Its totient is φ = 1993848043200.

The previous prime is 2221020001199. The next prime is 2221020001217. The reversal of 2221020001211 is 1121000201222.

It is a cyclic number.

It is not a de Polignac number, because 2221020001211 - 2⁶ = 2221020001147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221020001217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2646005 + ... + 3382806.

It is an arithmetic number, because the mean of its divisors is an integer number (153336804408).

Almost surely, 2^{2221020001211} is an apocalyptic number.

2221020001211 is a deficient number, since it is larger than the sum of its proper divisors (232368869317).

2221020001211 is a wasteful number, since it uses less digits than its factorization.

2221020001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029242.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221020001211 its reverse (1121000201222), we get a palindrome (3342020202433).

The spelling of 2221020001211 in words is "two trillion, two hundred twenty-one billion, twenty million, one thousand, two hundred eleven".