222101220100120 has 32 divisors (see below), whose sum is σ = 499728174250320. Its totient is φ = 88840411768960.

The previous prime is 222101220100093. The next prime is 222101220100127. The reversal of 222101220100120 is 21001022101222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222101220100094 and 222101220100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101220100127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79634334 + ... + 82376146.

Almost surely, 2^{222101220100120} is an apocalyptic number.

222101220100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101220100120 is an abundant number, since it is smaller than the sum of its proper divisors (277626954150200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222101220100120 is a wasteful number, since it uses less digits than its factorization.

222101220100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766955 (or 4766951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101220100120 its reverse (21001022101222), we get a palindrome (243102242201342).

The spelling of 222101220100120 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, one hundred thousand, one hundred twenty".