2120101279 has 2 divisors, whose sum is σ = 2120101280. Its totient is φ = 2120101278.

The previous prime is 2120101271. The next prime is 2120101343. The reversal of 2120101279 is 9721010212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120101279 - 2³ = 2120101271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120101271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060050639 + 1060050640.

It is an arithmetic number, because the mean of its divisors is an integer number (1060050640).

Almost surely, 2^2120101279 is an apocalyptic number.

2120101279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120101279 is an equidigital number, since it uses as much as digits as its factorization.

2120101279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 2120101279 is about 46044.5575394096. The cubic root of 2120101279 is about 1284.6521143379.

The spelling of 2120101279 in words is "two billion, one hundred twenty million, one hundred one thousand, two hundred seventy-nine".