2002161106223 has 16 divisors (see below), whose sum is σ = 2127137092704. Its totient is φ = 1877990123520.

The previous prime is 2002161106219. The next prime is 2002161106243. The reversal of 2002161106223 is 3226011612002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2002161106223 - 2² = 2002161106219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002161106192 and 2002161106201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002161106243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13509761 + ... + 13657157.

It is an arithmetic number, because the mean of its divisors is an integer number (132946068294).

Almost surely, 2^{2002161106223} is an apocalyptic number.

2002161106223 is a deficient number, since it is larger than the sum of its proper divisors (124975986481).

2002161106223 is a wasteful number, since it uses less digits than its factorization.

2002161106223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150122.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2002161106223 its reverse (3226011612002), we get a palindrome (5228172718225).

The spelling of 2002161106223 in words is "two trillion, two billion, one hundred sixty-one million, one hundred six thousand, two hundred twenty-three".