2120011001029 has 2 divisors, whose sum is σ = 2120011001030. Its totient is φ = 2120011001028.

The previous prime is 2120011000993. The next prime is 2120011001039. The reversal of 2120011001029 is 9201001100212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508020840225 + 611990160804 = 1228015^2 + 782298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120011001029 - 2⁷ = 2120011000901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120011000997 and 2120011001015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120011001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005500514 + 1060005500515.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005500515).

Almost surely, 2^{2120011001029} is an apocalyptic number.

It is an amenable number.

2120011001029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120011001029 is an equidigital number, since it uses as much as digits as its factorization.

2120011001029 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 19.

The spelling of 2120011001029 in words is "two trillion, one hundred twenty billion, eleven million, one thousand, twenty-nine".