2102021110211 has 18 divisors (see below), whose sum is σ = 2392905369036. Its totient is φ = 1845034114000.

The previous prime is 2102021110201. The next prime is 2102021110237. The reversal of 2102021110211 is 1120111202012.

It is not a de Polignac number, because 2102021110211 - 2¹⁴ = 2102021093827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102021110201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10226465 + ... + 10429986.

Almost surely, 2^{2102021110211} is an apocalyptic number.

2102021110211 is a deficient number, since it is larger than the sum of its proper divisors (290884258825).

2102021110211 is a wasteful number, since it uses less digits than its factorization.

2102021110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656531 (or 20656491 counting only the distinct ones).

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

Adding to 2102021110211 its reverse (1120111202012), we get a palindrome (3222132312223).

The spelling of 2102021110211 in words is "two trillion, one hundred two billion, twenty-one million, one hundred ten thousand, two hundred eleven".