120100001123 has 2 divisors, whose sum is σ = 120100001124. Its totient is φ = 120100001122.

The previous prime is 120100001089. The next prime is 120100001171. The reversal of 120100001123 is 321100001021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120100001123 - 2³⁶ = 51380524387 is a prime.

It is a super-2 number, since 2×120100001123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120100001183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050000561 + 60050000562.

It is an arithmetic number, because the mean of its divisors is an integer number (60050000562).

Almost surely, 2^120100001123 is an apocalyptic number.

120100001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100001123 is an equidigital number, since it uses as much as digits as its factorization.

120100001123 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 11.

Adding to 120100001123 its reverse (321100001021), we get a palindrome (441200002144).

The spelling of 120100001123 in words is "one hundred twenty billion, one hundred million, one thousand, one hundred twenty-three".