2120011130123 has 2 divisors, whose sum is σ = 2120011130124. Its totient is φ = 2120011130122.

The previous prime is 2120011130113. The next prime is 2120011130131. The reversal of 2120011130123 is 3210311100212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120011130123 - 2¹⁸ = 2120010867979 is a prime.

It is a super-3 number, since 3×2120011130123³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2120011130113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005565061 + 1060005565062.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005565062).

Almost surely, 2^{2120011130123} is an apocalyptic number.

2120011130123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120011130123 is an equidigital number, since it uses as much as digits as its factorization.

2120011130123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2120011130123 its reverse (3210311100212), we get a palindrome (5330322230335).

The spelling of 2120011130123 in words is "two trillion, one hundred twenty billion, eleven million, one hundred thirty thousand, one hundred twenty-three".