2112125146031 has 2 divisors, whose sum is σ = 2112125146032. Its totient is φ = 2112125146030.

The previous prime is 2112125146007. The next prime is 2112125146057. The reversal of 2112125146031 is 1306415212112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112125146031 - 2²² = 2112120951727 is a prime.

It is a super-2 number, since 2×2112125146031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112125145985 and 2112125146003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112125146531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056062573015 + 1056062573016.

It is an arithmetic number, because the mean of its divisors is an integer number (1056062573016).

Almost surely, 2^{2112125146031} is an apocalyptic number.

2112125146031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112125146031 is an equidigital number, since it uses as much as digits as its factorization.

2112125146031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 2112125146031 in words is "two trillion, one hundred twelve billion, one hundred twenty-five million, one hundred forty-six thousand, thirty-one".