1001012201222 has 8 divisors (see below), whose sum is σ = 1638019965672. Its totient is φ = 455005546000.

The previous prime is 1001012201221. The next prime is 1001012201249. The reversal of 1001012201222 is 2221022101001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001012201197 and 1001012201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001012201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22750277279 + ... + 22750277322.

It is an arithmetic number, because the mean of its divisors is an integer number (204752495709).

Almost surely, 2^{1001012201222} is an apocalyptic number.

1001012201222 is a deficient number, since it is larger than the sum of its proper divisors (637007764450).

1001012201222 is a wasteful number, since it uses less digits than its factorization.

1001012201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45500554614.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001012201222 its reverse (2221022101001), we get a palindrome (3222034302223).

The spelling of 1001012201222 in words is "one trillion, one billion, twelve million, two hundred one thousand, two hundred twenty-two".