1202101011121 has 2 divisors, whose sum is σ = 1202101011122. Its totient is φ = 1202101011120.

The previous prime is 1202101011019. The next prime is 1202101011151. The reversal of 1202101011121 is 1211101012021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859952056896 + 342148954225 = 927336^2 + 584935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202101011121 - 2²⁷ = 1201966793393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202101011151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050505560 + 601050505561.

It is an arithmetic number, because the mean of its divisors is an integer number (601050505561).

Almost surely, 2^{1202101011121} is an apocalyptic number.

It is an amenable number.

1202101011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202101011121 is an equidigital number, since it uses as much as digits as its factorization.

1202101011121 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 1202101011121 its reverse (1211101012021), we get a palindrome (2413202023142).

The spelling of 1202101011121 in words is "one trillion, two hundred two billion, one hundred one million, eleven thousand, one hundred twenty-one".