2112102002 has 4 divisors (see below), whose sum is σ = 3168153006. Its totient is φ = 1056051000.

The previous prime is 2112101923. The next prime is 2112102019. The reversal of 2112102002 is 2002012112.

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., 1156612081 + 955489921 = 34009^2 + 30911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025499 + ... + 528025502.

Almost surely, 2^2112102002 is an apocalyptic number.

2112102002 is a deficient number, since it is larger than the sum of its proper divisors (1056051004).

2112102002 is a wasteful number, since it uses less digits than its factorization.

2112102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056051003.

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

The square root of 2112102002 is about 45957.6109257215. The cubic root of 2112102002 is about 1283.0343866479.

Adding to 2112102002 its reverse (2002012112), we get a palindrome (4114114114).

The spelling of 2112102002 in words is "two billion, one hundred twelve million, one hundred two thousand, two".