2101111200002 has 4 divisors (see below), whose sum is σ = 3151666800006. Its totient is φ = 1050555600000.

The previous prime is 2101111199959. The next prime is 2101111200011. The reversal of 2101111200002 is 2000021111012.

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., 2066782892161 + 34328307841 = 1437631^2 + 185279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525277799999 + ... + 525277800002.

Almost surely, 2^{2101111200002} is an apocalyptic number.

2101111200002 is a deficient number, since it is larger than the sum of its proper divisors (1050555600004).

2101111200002 is a wasteful number, since it uses less digits than its factorization.

2101111200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050555600003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101111200002 its reverse (2000021111012), we get a palindrome (4101132311014).

The spelling of 2101111200002 in words is "two trillion, one hundred one billion, one hundred eleven million, two hundred thousand, two".