20212201122097 has 2 divisors, whose sum is σ = 20212201122098. Its totient is φ = 20212201122096.

The previous prime is 20212201122041. The next prime is 20212201122143. The reversal of 20212201122097 is 79022110221202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20210814974736 + 1386147361 = 4495644^2 + 37231^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212201122097 - 2¹¹ = 20212201120049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212201122497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106100561048 + 10106100561049.

It is an arithmetic number, because the mean of its divisors is an integer number (10106100561049).

Almost surely, 2^{20212201122097} is an apocalyptic number.

It is an amenable number.

20212201122097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212201122097 is an equidigital number, since it uses as much as digits as its factorization.

20212201122097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 20212201122097 its reverse (79022110221202), we get a palindrome (99234311343299).

The spelling of 20212201122097 in words is "twenty trillion, two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, ninety-seven".