2120051069 has 2 divisors, whose sum is σ = 2120051070. Its totient is φ = 2120051068.

The previous prime is 2120051057. The next prime is 2120051099. The reversal of 2120051069 is 9601500212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1588979044 + 531072025 = 39862^2 + 23045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120051069 - 2⁴ = 2120051053 is a prime.

It is a super-2 number, since 2×2120051069² = 8989233070336085522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120051099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060025534 + 1060025535.

It is an arithmetic number, because the mean of its divisors is an integer number (1060025535).

Almost surely, 2^2120051069 is an apocalyptic number.

It is an amenable number.

2120051069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120051069 is an equidigital number, since it uses as much as digits as its factorization.

2120051069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2120051069 is about 46044.0123034472. The cubic root of 2120051069 is about 1284.6419728583.

The spelling of 2120051069 in words is "two billion, one hundred twenty million, fifty-one thousand, sixty-nine".