2120106001831 has 2 divisors, whose sum is σ = 2120106001832. Its totient is φ = 2120106001830.

The previous prime is 2120106001799. The next prime is 2120106001841. The reversal of 2120106001831 is 1381006010212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120106001831 - 2⁵ = 2120106001799 is a prime.

It is a super-2 number, since 2×2120106001831² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120106001796 and 2120106001805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120106001841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060053000915 + 1060053000916.

It is an arithmetic number, because the mean of its divisors is an integer number (1060053000916).

Almost surely, 2^{2120106001831} is an apocalyptic number.

2120106001831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120106001831 is an equidigital number, since it uses as much as digits as its factorization.

2120106001831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2120106001831 in words is "two trillion, one hundred twenty billion, one hundred six million, one thousand, eight hundred thirty-one".