120222200111221 has 16 divisors (see below), whose sum is σ = 129687597764928. Its totient is φ = 110787885072000.

The previous prime is 120222200111177. The next prime is 120222200111257. The reversal of 120222200111221 is 122111002222021.

It is a cyclic number.

It is not a de Polignac number, because 120222200111221 - 2¹⁷ = 120222199980149 is a prime.

It is a super-2 number, since 2×120222200111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222200111021) 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, 841755906 + ... + 841898716.

It is an arithmetic number, because the mean of its divisors is an integer number (8105474860308).

Almost surely, 2^{120222200111221} is an apocalyptic number.

It is an amenable number.

120222200111221 is a deficient number, since it is larger than the sum of its proper divisors (9465397653707).

120222200111221 is a wasteful number, since it uses less digits than its factorization.

120222200111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251172.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120222200111221 its reverse (122111002222021), we get a palindrome (242333202333242).

The spelling of 120222200111221 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred million, one hundred eleven thousand, two hundred twenty-one".