12212020002101 has 2 divisors, whose sum is σ = 12212020002102. Its totient is φ = 12212020002100.

The previous prime is 12212020002067. The next prime is 12212020002103. The reversal of 12212020002101 is 10120002021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10896700030225 + 1315319971876 = 3301015^2 + 1146874^2 .

It is an emirp because it is prime and its reverse (10120002021221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212020002101 - 2⁴² = 7813973490997 is a prime.

Together with 12212020002103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212020002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106010001050 + 6106010001051.

It is an arithmetic number, because the mean of its divisors is an integer number (6106010001051).

Almost surely, 2^{12212020002101} is an apocalyptic number.

It is an amenable number.

12212020002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212020002101 is an equidigital number, since it uses as much as digits as its factorization.

12212020002101 is an evil number, because the sum of its binary digits is even.

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

Adding to 12212020002101 its reverse (10120002021221), we get a palindrome (22332022023322).

The spelling of 12212020002101 in words is "twelve trillion, two hundred twelve billion, twenty million, two thousand, one hundred one".