1342120011121 has 2 divisors, whose sum is σ = 1342120011122. Its totient is φ = 1342120011120.

The previous prime is 1342120011101. The next prime is 1342120011143. The reversal of 1342120011121 is 1211100212431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322647204096 + 19472807025 = 1150064^2 + 139545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342120011121 - 2²³ = 1342111622513 is a prime.

It is a super-2 number, since 2×1342120011121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1342120011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671060005560 + 671060005561.

It is an arithmetic number, because the mean of its divisors is an integer number (671060005561).

Almost surely, 2^{1342120011121} is an apocalyptic number.

It is an amenable number.

1342120011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342120011121 is an equidigital number, since it uses as much as digits as its factorization.

1342120011121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1342120011121 its reverse (1211100212431), we get a palindrome (2553220223552).

The spelling of 1342120011121 in words is "one trillion, three hundred forty-two billion, one hundred twenty million, eleven thousand, one hundred twenty-one".