2221402041201 has 16 divisors (see below), whose sum is σ = 3387631970304. Its totient is φ = 1268383201104.

The previous prime is 2221402041197. The next prime is 2221402041263. The reversal of 2221402041201 is 1021402041222.

It is not a de Polignac number, because 2221402041201 - 2² = 2221402041197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2221402041101) 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 in 15 ways as a sum of consecutive naturals, for example, 41197161 + ... + 41251046.

It is an arithmetic number, because the mean of its divisors is an integer number (211726998144).

Almost surely, 2^{2221402041201} is an apocalyptic number.

2221402041201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2221402041201 is a deficient number, since it is larger than the sum of its proper divisors (1166229929103).

2221402041201 is a wasteful number, since it uses less digits than its factorization.

2221402041201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82449500.

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

Adding to 2221402041201 its sum of digits (21), we get a palindrome (2221402041222).

Adding to 2221402041201 its reverse (1021402041222), we get a palindrome (3242804082423).

The spelling of 2221402041201 in words is "two trillion, two hundred twenty-one billion, four hundred two million, forty-one thousand, two hundred one".