2002102110002 has 4 divisors (see below), whose sum is σ = 3003153165006. Its totient is φ = 1001051055000.

The previous prime is 2002102109999. The next prime is 2002102110101. The reversal of 2002102110002 is 2000112012002.

It is a happy number.

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., 1070415782881 + 931686327121 = 1034609^2 + 965239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500525527499 + ... + 500525527502.

Almost surely, 2^{2002102110002} is an apocalyptic number.

2002102110002 is a deficient number, since it is larger than the sum of its proper divisors (1001051055004).

2002102110002 is a wasteful number, since it uses less digits than its factorization.

2002102110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001051055003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002102110002 its reverse (2000112012002), we get a palindrome (4002214122004).

The spelling of 2002102110002 in words is "two trillion, two billion, one hundred two million, one hundred ten thousand, two".