1002112220005 has 32 divisors (see below), whose sum is σ = 1302864919776. Its totient is φ = 735550685184.

The previous prime is 1002112220003. The next prime is 1002112220063. The reversal of 1002112220005 is 5000222112001.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 30139043236 + 971973176769 = 173606^2 + 985887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002112220005 - 2¹ = 1002112220003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002112220003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53887989 + ... + 53906581.

It is an arithmetic number, because the mean of its divisors is an integer number (40714528743).

Almost surely, 2^{1002112220005} is an apocalyptic number.

It is an amenable number.

1002112220005 is a deficient number, since it is larger than the sum of its proper divisors (300752699771).

1002112220005 is a wasteful number, since it uses less digits than its factorization.

1002112220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23577.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1002112220005 its reverse (5000222112001), we get a palindrome (6002334332006).

The spelling of 1002112220005 in words is "one trillion, two billion, one hundred twelve million, two hundred twenty thousand, five".