20122010222101 has 2 divisors, whose sum is σ = 20122010222102. Its totient is φ = 20122010222100.

The previous prime is 20122010222071. The next prime is 20122010222123. The reversal of 20122010222101 is 10122201022102.

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., 11347796085201 + 8774214136900 = 3368649^2 + 2962130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122010222101 - 2¹⁹ = 20122009697813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122010222161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061005111050 + 10061005111051.

It is an arithmetic number, because the mean of its divisors is an integer number (10061005111051).

Almost surely, 2^{20122010222101} is an apocalyptic number.

It is an amenable number.

20122010222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122010222101 is an equidigital number, since it uses as much as digits as its factorization.

20122010222101 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 20122010222101 its reverse (10122201022102), we get a palindrome (30244211244203).

The spelling of 20122010222101 in words is "twenty trillion, one hundred twenty-two billion, ten million, two hundred twenty-two thousand, one hundred one".