2101210202111 has 8 divisors (see below), whose sum is σ = 2107385669904. Its totient is φ = 2095035425280.

The previous prime is 2101210202093. The next prime is 2101210202129. The reversal of 2101210202111 is 1112020121012.

It is an interprime number because it is at equal distance from previous prime (2101210202093) and next prime (2101210202129).

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

It is a cyclic number.

It is not a de Polignac number, because 2101210202111 - 2¹⁸ = 2101209939967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101210202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6270431 + ... + 6597023.

It is an arithmetic number, because the mean of its divisors is an integer number (263423208738).

Almost surely, 2^{2101210202111} is an apocalyptic number.

2101210202111 is a deficient number, since it is larger than the sum of its proper divisors (6175467793).

2101210202111 is a wasteful number, since it uses less digits than its factorization.

2101210202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345481.

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

Adding to 2101210202111 its reverse (1112020121012), we get a palindrome (3213230323123).

The spelling of 2101210202111 in words is "two trillion, one hundred one billion, two hundred ten million, two hundred two thousand, one hundred eleven".