1120210020121 has 2 divisors, whose sum is σ = 1120210020122. Its totient is φ = 1120210020120.

The previous prime is 1120210020091. The next prime is 1120210020157. The reversal of 1120210020121 is 1210200120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941947891600 + 178262128521 = 970540^2 + 422211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120210020121 - 2⁵ = 1120210020089 is a prime.

It is a super-3 number, since 3×1120210020121³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1120210020521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560105010060 + 560105010061.

It is an arithmetic number, because the mean of its divisors is an integer number (560105010061).

Almost surely, 2^{1120210020121} is an apocalyptic number.

It is an amenable number.

1120210020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120210020121 is an equidigital number, since it uses as much as digits as its factorization.

1120210020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120210020121 its reverse (1210200120211), we get a palindrome (2330410140332).

The spelling of 1120210020121 in words is "one trillion, one hundred twenty billion, two hundred ten million, twenty thousand, one hundred twenty-one".