2002100222002 has 4 divisors (see below), whose sum is σ = 3003150333006. Its totient is φ = 1001050111000.

The previous prime is 2002100221987. The next prime is 2002100222029. The reversal of 2002100222002 is 2002220012002.

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

It can be written as a sum of positive squares in only one way, i.e., 1905341276281 + 96758945721 = 1380341^2 + 311061^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500525055499 + ... + 500525055502.

Almost surely, 2^{2002100222002} is an apocalyptic number.

2002100222002 is a deficient number, since it is larger than the sum of its proper divisors (1001050111004).

2002100222002 is a wasteful number, since it uses less digits than its factorization.

2002100222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001050111003.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2002100222002 its reverse (2002220012002), we get a palindrome (4004320234004).

The spelling of 2002100222002 in words is "two trillion, two billion, one hundred million, two hundred twenty-two thousand, two".