2101111100202 has 8 divisors (see below), whose sum is σ = 4202222200416. Its totient is φ = 700370366732.

The previous prime is 2101111100197. The next prime is 2101111100219. The reversal of 2101111100202 is 2020011111012.

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

2101111100202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175092591678 + ... + 175092591689.

It is an arithmetic number, because the mean of its divisors is an integer number (525277775052).

Almost surely, 2^{2101111100202} is an apocalyptic number.

2101111100202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101111100202 is a wasteful number, since it uses less digits than its factorization.

2101111100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350185183372.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101111100202 its reverse (2020011111012), we get a palindrome (4121122211214).

The spelling of 2101111100202 in words is "two trillion, one hundred one billion, one hundred eleven million, one hundred thousand, two hundred two".