2221021302032 has 80 divisors (see below), whose sum is σ = 4719241490880. Its totient is φ = 1006333549056.

The previous prime is 2221021302013. The next prime is 2221021302067. The reversal of 2221021302032 is 2302031201222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221021301995 and 2221021302013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8871923 + ... + 9118829.

It is an arithmetic number, because the mean of its divisors is an integer number (58990518636).

Almost surely, 2^{2221021302032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221021302032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2359620745440).

2221021302032 is an abundant number, since it is smaller than the sum of its proper divisors (2498220188848).

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

2221021302032 is a wasteful number, since it uses less digits than its factorization.

2221021302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247720 (or 247714 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2221021302032 its reverse (2302031201222), we get a palindrome (4523052503254).

The spelling of 2221021302032 in words is "two trillion, two hundred twenty-one billion, twenty-one million, three hundred two thousand, thirty-two".