2121102222213 has 16 divisors (see below), whose sum is σ = 3057819460416. Its totient is φ = 1300093296000.

The previous prime is 2121102222203. The next prime is 2121102222233. The reversal of 2121102222213 is 3122222011212.

It is not a de Polignac number, because 2121102222213 - 2¹² = 2121102218117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121102222213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121102222203) 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, 108331320 + ... + 108350897.

It is an arithmetic number, because the mean of its divisors is an integer number (191113716276).

Almost surely, 2^{2121102222213} is an apocalyptic number.

It is an amenable number.

2121102222213 is a deficient number, since it is larger than the sum of its proper divisors (936717238203).

2121102222213 is a wasteful number, since it uses less digits than its factorization.

2121102222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216682484.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121102222213 its reverse (3122222011212), we get a palindrome (5243324233425).

The spelling of 2121102222213 in words is "two trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, two hundred thirteen".