2221311213332 has 6 divisors (see below), whose sum is σ = 3887294623338. Its totient is φ = 1110655606664.

The previous prime is 2221311213311. The next prime is 2221311213343. The reversal of 2221311213332 is 2333121131222.

It can be written as a sum of positive squares in only one way, i.e., 2207583810436 + 13727402896 = 1485794^2 + 117164^2 .

It is a congruent number.

It is an unprimeable number.

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, 277663901663 + ... + 277663901670.

It is an arithmetic number, because the mean of its divisors is an integer number (647882437223).

Almost surely, 2^{2221311213332} is an apocalyptic number.

It is an amenable number.

2221311213332 is a deficient number, since it is larger than the sum of its proper divisors (1665983410006).

2221311213332 is a wasteful number, since it uses less digits than its factorization.

2221311213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555327803337 (or 555327803335 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 2221311213332 its reverse (2333121131222), we get a palindrome (4554432344554).

The spelling of 2221311213332 in words is "two trillion, two hundred twenty-one billion, three hundred eleven million, two hundred thirteen thousand, three hundred thirty-two".