221002222200122 has 96 divisors (see below), whose sum is σ = 374727029048064. Its totient is φ = 97622236800000.

The previous prime is 221002222200121. The next prime is 221002222200143.

221002222200122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221002222200094 and 221002222200103.

It is not an unprimeable number, because it can be changed into a prime (221002222200121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24309996797 + ... + 24310005887.

It is an arithmetic number, because the mean of its divisors is an integer number (3903406552584).

Almost surely, 2^{221002222200122} is an apocalyptic number.

221002222200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221002222200122 is a deficient number, since it is larger than the sum of its proper divisors (153724806847942).

221002222200122 is a wasteful number, since it uses less digits than its factorization.

221002222200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468 (or 18457 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

It can be divided in two parts, 22100 and 2222200122, that added together give a palindrome (2222222222).

The spelling of 221002222200122 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-two".