1101030120121 has 2 divisors, whose sum is σ = 1101030120122. Its totient is φ = 1101030120120.

The previous prime is 1101030120103. The next prime is 1101030120209. The reversal of 1101030120121 is 1210210301011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094662080121 + 6368040000 = 1046261^2 + 79800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101030120121 - 2⁵ = 1101030120089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101030120521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550515060060 + 550515060061.

It is an arithmetic number, because the mean of its divisors is an integer number (550515060061).

Almost surely, 2^{1101030120121} is an apocalyptic number.

It is an amenable number.

1101030120121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101030120121 is an equidigital number, since it uses as much as digits as its factorization.

1101030120121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1101030120121 its reverse (1210210301011), we get a palindrome (2311240421132).

The spelling of 1101030120121 in words is "one trillion, one hundred one billion, thirty million, one hundred twenty thousand, one hundred twenty-one".