2101210111202 has 8 divisors (see below), whose sum is σ = 3169228510812. Its totient is φ = 1044800607600.

The previous prime is 2101210111183. The next prime is 2101210111229. The reversal of 2101210111202 is 2021110121012.

It can be written as a sum of positive squares in 2 ways, for example, as 1380152690401 + 721057420801 = 1174799^2 + 849151^2 .

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

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, 2902223549 + ... + 2902224272.

Almost surely, 2^{2101210111202} is an apocalyptic number.

2101210111202 is a deficient number, since it is larger than the sum of its proper divisors (1068018399610).

2101210111202 is a wasteful number, since it uses less digits than its factorization.

2101210111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804448004.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101210111202 its reverse (2021110121012), we get a palindrome (4122320232214).

The spelling of 2101210111202 in words is "two trillion, one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred two".