1002011111222 has 8 divisors (see below), whose sum is σ = 1639654545672. Its totient is φ = 455459596000.

The previous prime is 1002011111221. The next prime is 1002011111249. The reversal of 1002011111222 is 2221111102001.

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 = 1002011111197 and 1002011111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22772979779 + ... + 22772979822.

It is an arithmetic number, because the mean of its divisors is an integer number (204956818209).

Almost surely, 2^{1002011111222} is an apocalyptic number.

1002011111222 is a deficient number, since it is larger than the sum of its proper divisors (637643434450).

1002011111222 is a wasteful number, since it uses less digits than its factorization.

1002011111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45545959614.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002011111222 its reverse (2221111102001), we get a palindrome (3223122213223).

The spelling of 1002011111222 in words is "one trillion, two billion, eleven million, one hundred eleven thousand, two hundred twenty-two".