722121120010 has 32 divisors (see below), whose sum is σ = 1300956733440. Its totient is φ = 288595529472.

The previous prime is 722121119983. The next prime is 722121120011. The reversal of 722121120010 is 10021121227.

It is a self number, because there is not a number n which added to its sum of digits gives 722121120010.

It is not an unprimeable number, because it can be changed into a prime (722121120011) 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, 64939231 + ... + 64950349.

It is an arithmetic number, because the mean of its divisors is an integer number (40654897920).

Almost surely, 2^722121120010 is an apocalyptic number.

722121120010 is a deficient number, since it is larger than the sum of its proper divisors (578835613430).

722121120010 is a wasteful number, since it uses less digits than its factorization.

722121120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 722121120010 its reverse (10021121227), we get a palindrome (732142241237).

The spelling of 722121120010 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, ten".