722121120211 has 8 divisors (see below), whose sum is σ = 734412053648. Its totient is φ = 709844796000.

The previous prime is 722121120197. The next prime is 722121120223. The reversal of 722121120211 is 112021121227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722121120211 - 2¹¹ = 722121118163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722121120011) 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 7 ways as a sum of consecutive naturals, for example, 3552585 + ... + 3750346.

It is an arithmetic number, because the mean of its divisors is an integer number (91801506706).

Almost surely, 2^722121120211 is an apocalyptic number.

722121120211 is a deficient number, since it is larger than the sum of its proper divisors (12290933437).

722121120211 is a wasteful number, since it uses less digits than its factorization.

722121120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304613.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 722121120211 its reverse (112021121227), we get a palindrome (834142241438).

The spelling of 722121120211 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".