2221131302032 has 20 divisors (see below), whose sum is σ = 4303475976700. Its totient is φ = 1110556856448.

The previous prime is 2221131301999. The next prime is 2221131302053. The reversal of 2221131302032 is 2302031311222.

It can be written as a sum of positive squares in 2 ways, for example, as 944014332816 + 1277116969216 = 971604^2 + 1130096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221131301994 and 2221131302012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851898 + ... + 2805670.

It is an arithmetic number, because the mean of its divisors is an integer number (215173798835).

Almost surely, 2^{2221131302032} is an apocalyptic number.

It is an amenable number.

2221131302032 is a deficient number, since it is larger than the sum of its proper divisors (2082344674668).

2221131302032 is a wasteful number, since it uses less digits than its factorization.

2221131302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099330 (or 1099324 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2221131302032 its reverse (2302031311222), we get a palindrome (4523162613254).

The spelling of 2221131302032 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, three hundred two thousand, thirty-two".