2002102100002 has 8 divisors (see below), whose sum is σ = 3003264652716. Its totient is φ = 1001013882432.

The previous prime is 2002102099999. The next prime is 2002102100069. The reversal of 2002102100002 is 2000012012002.

It can be written as a sum of positive squares in 2 ways, for example, as 1854224166601 + 147877933401 = 1361699^2 + 384549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18516403 + ... + 18624214.

Almost surely, 2^{2002102100002} is an apocalyptic number.

2002102100002 is a deficient number, since it is larger than the sum of its proper divisors (1001162552714).

2002102100002 is a wasteful number, since it uses less digits than its factorization.

2002102100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37167572.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2002102100002 its reverse (2000012012002), we get a palindrome (4002114112004).

The spelling of 2002102100002 in words is "two trillion, two billion, one hundred two million, one hundred thousand, two".