222200121100120 has 64 divisors (see below), whose sum is σ = 521814150051840. Its totient is φ = 84995017008000.

The previous prime is 222200121100043. The next prime is 222200121100123. The reversal of 222200121100120 is 21001121002222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222200121100094 and 222200121100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200121100123) 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, 25592956 + ... + 33157195.

It is an arithmetic number, because the mean of its divisors is an integer number (8153346094560).

Almost surely, 2^{222200121100120} is an apocalyptic number.

222200121100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200121100120 is an abundant number, since it is smaller than the sum of its proper divisors (299614028951720).

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

222200121100120 is a wasteful number, since it uses less digits than its factorization.

222200121100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58754296 (or 58754292 counting only the distinct ones).

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

Adding to 222200121100120 its reverse (21001121002222), we get a palindrome (243201242102342).

The spelling of 222200121100120 in words is "two hundred twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred thousand, one hundred twenty".