2100000120002 has 8 divisors (see below), whose sum is σ = 3226829452812. Its totient is φ = 1024390302400.

The previous prime is 2100000119993. The next prime is 2100000120011. The reversal of 2100000120002 is 2000210000012.

It is an interprime number because it is at equal distance from previous prime (2100000119993) and next prime (2100000120011).

It can be written as a sum of positive squares in 2 ways, for example, as 1929818294041 + 170181825961 = 1389179^2 + 412531^2 .

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, 12804878699 + ... + 12804878862.

Almost surely, 2^{2100000120002} is an apocalyptic number.

2100000120002 is a deficient number, since it is larger than the sum of its proper divisors (1126829332810).

2100000120002 is a wasteful number, since it uses less digits than its factorization.

2100000120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25609757604.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 2100000120002 its reverse (2000210000012), we get a palindrome (4100210120014).

The spelling of 2100000120002 in words is "two trillion, one hundred billion, one hundred twenty thousand, two".