2002102111222 has 4 divisors (see below), whose sum is σ = 3003153166836. Its totient is φ = 1001051055610.

The previous prime is 2002102111187. The next prime is 2002102111223. The reversal of 2002102111222 is 2221112012002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2002102111196 and 2002102111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002102111223) 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 as a sum of consecutive naturals, namely, 500525527804 + ... + 500525527807.

It is an arithmetic number, because the mean of its divisors is an integer number (750788291709).

Almost surely, 2^{2002102111222} is an apocalyptic number.

2002102111222 is a deficient number, since it is larger than the sum of its proper divisors (1001051055614).

2002102111222 is a wasteful number, since it uses less digits than its factorization.

2002102111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001051055613.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002102111222 its reverse (2221112012002), we get a palindrome (4223214123224).

The spelling of 2002102111222 in words is "two trillion, two billion, one hundred two million, one hundred eleven thousand, two hundred twenty-two".