2102000112221 has 32 divisors (see below), whose sum is σ = 2272639057920. Its totient is φ = 1939354344576.

The previous prime is 2102000112151. The next prime is 2102000112241. The reversal of 2102000112221 is 1222110002012.

It is a de Polignac number, because none of the positive numbers 2^k-2102000112221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102000112196 and 2102000112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102000112241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29500580 + ... + 29571746.

It is an arithmetic number, because the mean of its divisors is an integer number (71019970560).

Almost surely, 2^{2102000112221} is an apocalyptic number.

It is an amenable number.

2102000112221 is a deficient number, since it is larger than the sum of its proper divisors (170638945699).

2102000112221 is a wasteful number, since it uses less digits than its factorization.

2102000112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71633.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102000112221 its reverse (1222110002012), we get a palindrome (3324110114233).

The spelling of 2102000112221 in words is "two trillion, one hundred two billion, one hundred twelve thousand, two hundred twenty-one".