2221001331104 has 96 divisors (see below), whose sum is σ = 4449168939600. Its totient is φ = 1091221626880.

The previous prime is 2221001331103. The next prime is 2221001331149. The reversal of 2221001331104 is 4011331001222.

It can be written as a sum of positive squares in 8 ways, for example, as 2170848624400 + 50152706704 = 1473380^2 + 223948^2 .

It is not an unprimeable number, because it can be changed into a prime (2221001331103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689536214 + ... + 689539434.

Almost surely, 2^{2221001331104} is an apocalyptic number.

It is an amenable number.

2221001331104 is an abundant number, since it is smaller than the sum of its proper divisors (2228167608496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221001331104 is a wasteful number, since it uses less digits than its factorization.

2221001331104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4738 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2221001331104 its reverse (4011331001222), we get a palindrome (6232332332326).

The spelling of 2221001331104 in words is "two trillion, two hundred twenty-one billion, one million, three hundred thirty-one thousand, one hundred four".