2100222102002 has 4 divisors (see below), whose sum is σ = 3150333153006. Its totient is φ = 1050111051000.

The previous prime is 2100222101993. The next prime is 2100222102053. The reversal of 2100222102002 is 2002012220012.

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., 1131413015041 + 968809086961 = 1063679^2 + 984281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525055525499 + ... + 525055525502.

Almost surely, 2^{2100222102002} is an apocalyptic number.

2100222102002 is a deficient number, since it is larger than the sum of its proper divisors (1050111051004).

2100222102002 is a wasteful number, since it uses less digits than its factorization.

2100222102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050111051003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100222102002 its reverse (2002012220012), we get a palindrome (4102234322014).

The spelling of 2100222102002 in words is "two trillion, one hundred billion, two hundred twenty-two million, one hundred two thousand, two".