1110101200121 has 2 divisors, whose sum is σ = 1110101200122. Its totient is φ = 1110101200120.

The previous prime is 1110101200079. The next prime is 1110101200129. The reversal of 1110101200121 is 1210021010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584460250000 + 525640950121 = 764500^2 + 725011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110101200121 - 2⁶ = 1110101200057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110101200129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555050600060 + 555050600061.

It is an arithmetic number, because the mean of its divisors is an integer number (555050600061).

Almost surely, 2^{1110101200121} is an apocalyptic number.

It is an amenable number.

1110101200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110101200121 is an equidigital number, since it uses as much as digits as its factorization.

1110101200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110101200121 its reverse (1210021010111), we get a palindrome (2320122210232).

It can be divided in two parts, 111010 and 1200121, that added together give a palindrome (1311131).

The spelling of 1110101200121 in words is "one trillion, one hundred ten billion, one hundred one million, two hundred thousand, one hundred twenty-one".