120011402122121 has 2 divisors, whose sum is σ = 120011402122122. Its totient is φ = 120011402122120.

The previous prime is 120011402122111. The next prime is 120011402122141. The reversal of 120011402122121 is 121221204110021.

It is an a-pointer prime, because the next prime (120011402122141) can be obtained adding 120011402122121 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92769933841225 + 27241468280896 = 9631715^2 + 5219336^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011402122121 - 2¹⁴ = 120011402105737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011402122093 and 120011402122102.

It is not a weakly prime, because it can be changed into another prime (120011402122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005701061060 + 60005701061061.

It is an arithmetic number, because the mean of its divisors is an integer number (60005701061061).

Almost surely, 2^{120011402122121} is an apocalyptic number.

It is an amenable number.

120011402122121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011402122121 is an equidigital number, since it uses as much as digits as its factorization.

120011402122121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120011402122121 its reverse (121221204110021), we get a palindrome (241232606232142).

The spelling of 120011402122121 in words is "one hundred twenty trillion, eleven billion, four hundred two million, one hundred twenty-two thousand, one hundred twenty-one".