221207702122 has 16 divisors (see below), whose sum is σ = 381027621600. Its totient is φ = 95256905040.

The previous prime is 221207702059. The next prime is 221207702123.

221207702122 is nontrivially palindromic in base 10.

221207702122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221207702123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264602097 + ... + 264602932.

It is an arithmetic number, because the mean of its divisors is an integer number (23814226350).

Almost surely, 2^221207702122 is an apocalyptic number.

221207702122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221207702122 is a deficient number, since it is larger than the sum of its proper divisors (159819919478).

221207702122 is a wasteful number, since it uses less digits than its factorization.

221207702122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529205061.

The product of its (nonzero) digits is 3136, while the sum is 28.

It can be divided in two parts, 221207 and 702122, that added together give a palindrome (923329).

The spelling of 221207702122 in words is "two hundred twenty-one billion, two hundred seven million, seven hundred two thousand, one hundred twenty-two".