1120101210121 has 2 divisors, whose sum is σ = 1120101210122. Its totient is φ = 1120101210120.

The previous prime is 1120101210113. The next prime is 1120101210139. The reversal of 1120101210121 is 1210121010211.

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., 836237091600 + 283864118521 = 914460^2 + 532789^2 .

It is an emirp because it is prime and its reverse (1210121010211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120101210121 - 2³ = 1120101210113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120101210161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560050605060 + 560050605061.

It is an arithmetic number, because the mean of its divisors is an integer number (560050605061).

Almost surely, 2^{1120101210121} is an apocalyptic number.

It is an amenable number.

1120101210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120101210121 is an equidigital number, since it uses as much as digits as its factorization.

1120101210121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1120101210121 its reverse (1210121010211), we get a palindrome (2330222220332).

The spelling of 1120101210121 in words is "one trillion, one hundred twenty billion, one hundred one million, two hundred ten thousand, one hundred twenty-one".