12210020221111 has 2 divisors, whose sum is σ = 12210020221112. Its totient is φ = 12210020221110.

The previous prime is 12210020221103. The next prime is 12210020221121. The reversal of 12210020221111 is 11112202001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210020221111 - 2³ = 12210020221103 is a prime.

It is a super-4 number, since 4×12210020221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210020221121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105010110555 + 6105010110556.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010110556).

Almost surely, 2^{12210020221111} is an apocalyptic number.

12210020221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210020221111 is an equidigital number, since it uses as much as digits as its factorization.

12210020221111 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 16.

Adding to 12210020221111 its reverse (11112202001221), we get a palindrome (23322222222332).

The spelling of 12210020221111 in words is "twelve trillion, two hundred ten billion, twenty million, two hundred twenty-one thousand, one hundred eleven".