120002121061 has 2 divisors, whose sum is σ = 120002121062. Its totient is φ = 120002121060.

The previous prime is 120002121013. The next prime is 120002121073. The reversal of 120002121061 is 160121200021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78302030625 + 41700090436 = 279825^2 + 204206^2 .

It is a cyclic number.

It is not a de Polignac number, because 120002121061 - 2¹⁹ = 120001596773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120002101061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001060530 + 60001060531.

It is an arithmetic number, because the mean of its divisors is an integer number (60001060531).

Almost surely, 2^120002121061 is an apocalyptic number.

It is an amenable number.

120002121061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002121061 is an equidigital number, since it uses as much as digits as its factorization.

120002121061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120002121061 its reverse (160121200021), we get a palindrome (280123321082).

The spelling of 120002121061 in words is "one hundred twenty billion, two million, one hundred twenty-one thousand, sixty-one".