221022101220122 has 32 divisors (see below), whose sum is σ = 338534433061632. Its totient is φ = 108199481128704.

The previous prime is 221022101220023. The next prime is 221022101220161.

221022101220122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221022101220094 and 221022101220103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649757983 + ... + 1649891949.

It is an arithmetic number, because the mean of its divisors is an integer number (10579201033176).

Almost surely, 2^{221022101220122} is an apocalyptic number.

221022101220122 is a deficient number, since it is larger than the sum of its proper divisors (117512331841510).

221022101220122 is a wasteful number, since it uses less digits than its factorization.

221022101220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216662.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 22102210 and 1220122, that added together give a palindrome (23322332).

The spelling of 221022101220122 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred twenty-two".