2021102102211 has 16 divisors (see below), whose sum is σ = 2717082144000. Its totient is φ = 1336289687648.

The previous prime is 2021102102197. The next prime is 2021102102213. The reversal of 2021102102211 is 1122012011202.

It is a cyclic number.

It is not a de Polignac number, because 2021102102211 - 2¹⁹ = 2021101577923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021102102213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3204981 + ... + 3783398.

It is an arithmetic number, because the mean of its divisors is an integer number (169817634000).

Almost surely, 2^{2021102102211} is an apocalyptic number.

2021102102211 is a deficient number, since it is larger than the sum of its proper divisors (695980041789).

2021102102211 is a wasteful number, since it uses less digits than its factorization.

2021102102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989178.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021102102211 its reverse (1122012011202), we get a palindrome (3143114113413).

The spelling of 2021102102211 in words is "two trillion, twenty-one billion, one hundred two million, one hundred two thousand, two hundred eleven".