722121118162 has 16 divisors (see below), whose sum is σ = 1091024917920. Its totient is φ = 358446386592.

The previous prime is 722121118153. The next prime is 722121118163. The reversal of 722121118162 is 261811121227.

It is not an unprimeable number, because it can be changed into a prime (722121118163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7783198 + ... + 7875430.

It is an arithmetic number, because the mean of its divisors is an integer number (68189057370).

Almost surely, 2^722121118162 is an apocalyptic number.

722121118162 is a deficient number, since it is larger than the sum of its proper divisors (368903799758).

722121118162 is a wasteful number, since it uses less digits than its factorization.

722121118162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120537.

The product of its digits is 5376, while the sum is 34.

Adding to 722121118162 its reverse (261811121227), we get a palindrome (983932239389).

The spelling of 722121118162 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred eighteen thousand, one hundred sixty-two".