10112102020121 has 2 divisors, whose sum is σ = 10112102020122. Its totient is φ = 10112102020120.

The previous prime is 10112102020109. The next prime is 10112102020127. The reversal of 10112102020121 is 12102020121101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9683517067225 + 428584952896 = 3111835^2 + 654664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10112102020121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10112102020096 and 10112102020105.

It is not a weakly prime, because it can be changed into another prime (10112102020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056051010060 + 5056051010061.

It is an arithmetic number, because the mean of its divisors is an integer number (5056051010061).

Almost surely, 2^{10112102020121} is an apocalyptic number.

It is an amenable number.

10112102020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112102020121 is an equidigital number, since it uses as much as digits as its factorization.

10112102020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112102020121 its reverse (12102020121101), we get a palindrome (22214122141222).

It can be divided in two parts, 101 and 12102020121, that multiplied together give a palindrome (1222304032221).

The spelling of 10112102020121 in words is "ten trillion, one hundred twelve billion, one hundred two million, twenty thousand, one hundred twenty-one".