20122122020101 has 2 divisors, whose sum is σ = 20122122020102. Its totient is φ = 20122122020100.

The previous prime is 20122122020059. The next prime is 20122122020111. The reversal of 20122122020101 is 10102022122102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19486697811876 + 635424208225 = 4414374^2 + 797135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122122020101 - 2⁹ = 20122122019589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122122020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061061010050 + 10061061010051.

It is an arithmetic number, because the mean of its divisors is an integer number (10061061010051).

Almost surely, 2^{20122122020101} is an apocalyptic number.

It is an amenable number.

20122122020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122122020101 is an equidigital number, since it uses as much as digits as its factorization.

20122122020101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122122020101 its reverse (10102022122102), we get a palindrome (30224144142203).

The spelling of 20122122020101 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty thousand, one hundred one".