12021110211101 has 2 divisors, whose sum is σ = 12021110211102. Its totient is φ = 12021110211100.

The previous prime is 12021110211059. The next prime is 12021110211119. The reversal of 12021110211101 is 10111201112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7193097180025 + 4828013031076 = 2681995^2 + 2197274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021110211101 - 2¹⁰ = 12021110210077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021110211151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010555105550 + 6010555105551.

It is an arithmetic number, because the mean of its divisors is an integer number (6010555105551).

Almost surely, 2^{12021110211101} is an apocalyptic number.

It is an amenable number.

12021110211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021110211101 is an equidigital number, since it uses as much as digits as its factorization.

12021110211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12021110211101 its reverse (10111201112021), we get a palindrome (22132311323122).

The spelling of 12021110211101 in words is "twelve trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, one hundred one".