12210210021101 has 2 divisors, whose sum is σ = 12210210021102. Its totient is φ = 12210210021100.

The previous prime is 12210210021089. The next prime is 12210210021131. The reversal of 12210210021101 is 10112001201221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8424500445001 + 3785709576100 = 2902499^2 + 1945690^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210210021101 - 2¹⁰ = 12210210020077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210210021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105105010550 + 6105105010551.

It is an arithmetic number, because the mean of its divisors is an integer number (6105105010551).

Almost surely, 2^{12210210021101} is an apocalyptic number.

It is an amenable number.

12210210021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210210021101 is an equidigital number, since it uses as much as digits as its factorization.

12210210021101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12210210021101 its reverse (10112001201221), we get a palindrome (22322211222322).

The spelling of 12210210021101 in words is "twelve trillion, two hundred ten billion, two hundred ten million, twenty-one thousand, one hundred one".