222102001121012 has 48 divisors (see below), whose sum is σ = 405657802242000. Its totient is φ = 106271019509760.

The previous prime is 222102001120943. The next prime is 222102001121017. The reversal of 222102001121012 is 210121100201222.

It can be written as a sum of positive squares in 8 ways, for example, as 85666612651876 + 136435388469136 = 9255626^2 + 11680556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102001121017) 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, 5969333 + ... + 21905180.

It is an arithmetic number, because the mean of its divisors is an integer number (8451204213375).

Almost surely, 2^{222102001121012} is an apocalyptic number.

It is an amenable number.

222102001121012 is a deficient number, since it is larger than the sum of its proper divisors (183555801120988).

222102001121012 is a wasteful number, since it uses less digits than its factorization.

222102001121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27875156 (or 27875154 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222102001121012 its reverse (210121100201222), we get a palindrome (432223101322234).

The spelling of 222102001121012 in words is "two hundred twenty-two trillion, one hundred two billion, one million, one hundred twenty-one thousand, twelve".