2123203011029 has 2 divisors, whose sum is σ = 2123203011030. Its totient is φ = 2123203011028.

The previous prime is 2123203010953. The next prime is 2123203011049. The reversal of 2123203011029 is 9201103023212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153480296004 + 969722715025 = 1074002^2 + 984745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123203011029 - 2³⁶ = 2054483534293 is a prime.

It is a super-2 number, since 2×2123203011029² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123203010989 and 2123203011007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123203011049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061601505514 + 1061601505515.

It is an arithmetic number, because the mean of its divisors is an integer number (1061601505515).

Almost surely, 2^{2123203011029} is an apocalyptic number.

It is an amenable number.

2123203011029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123203011029 is an equidigital number, since it uses as much as digits as its factorization.

2123203011029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2123203011029 in words is "two trillion, one hundred twenty-three billion, two hundred three million, eleven thousand, twenty-nine".