20102122212213 has 8 divisors (see below), whose sum is σ = 28379466652608. Its totient is φ = 12613096289984.

The previous prime is 20102122212209. The next prime is 20102122212311. The reversal of 20102122212213 is 31221222120102.

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 20102122212213 - 2² = 20102122212209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102122212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102122212113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197079629481 + ... + 197079629582.

It is an arithmetic number, because the mean of its divisors is an integer number (3547433331576).

Almost surely, 2^{20102122212213} is an apocalyptic number.

It is an amenable number.

20102122212213 is a deficient number, since it is larger than the sum of its proper divisors (8277344440395).

20102122212213 is a wasteful number, since it uses less digits than its factorization.

20102122212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394159259083.

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

Adding to 20102122212213 its reverse (31221222120102), we get a palindrome (51323344332315).

The spelling of 20102122212213 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred thirteen".