2101151279 has 2 divisors, whose sum is σ = 2101151280. Its totient is φ = 2101151278.

The previous prime is 2101151243. The next prime is 2101151317. The reversal of 2101151279 is 9721511012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101151279 - 2²⁰ = 2100102703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101151179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050575639 + 1050575640.

It is an arithmetic number, because the mean of its divisors is an integer number (1050575640).

Almost surely, 2^2101151279 is an apocalyptic number.

2101151279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101151279 is an equidigital number, since it uses as much as digits as its factorization.

2101151279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 2101151279 is about 45838.3167121132. The cubic root of 2101151279 is about 1280.8131387279.

The spelling of 2101151279 in words is "two billion, one hundred one million, one hundred fifty-one thousand, two hundred seventy-nine".