2122020012061 has 2 divisors, whose sum is σ = 2122020012062. Its totient is φ = 2122020012060.

The previous prime is 2122020012041. The next prime is 2122020012191. The reversal of 2122020012061 is 1602100202212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027690560900 + 94329451161 = 1423970^2 + 307131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122020012061 - 2⁷ = 2122020011933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122020012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010006030 + 1061010006031.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010006031).

Almost surely, 2^{2122020012061} is an apocalyptic number.

It is an amenable number.

2122020012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020012061 is an equidigital number, since it uses as much as digits as its factorization.

2122020012061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122020012061 its reverse (1602100202212), we get a palindrome (3724120214273).

The spelling of 2122020012061 in words is "two trillion, one hundred twenty-two billion, twenty million, twelve thousand, sixty-one".