2101120319 has 4 divisors (see below), whose sum is σ = 2103354120. Its totient is φ = 2098886520.

The previous prime is 2101120303. The next prime is 2101120363. The reversal of 2101120319 is 9130211012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101120319 - 2⁴ = 2101120303 is a prime.

It is a super-2 number, since 2×2101120319² = 8829413189829323522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101120319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115489 + ... + 1117370.

It is an arithmetic number, because the mean of its divisors is an integer number (525838530).

Almost surely, 2^2101120319 is an apocalyptic number.

2101120319 is a deficient number, since it is larger than the sum of its proper divisors (2233801).

2101120319 is an equidigital number, since it uses as much as digits as its factorization.

2101120319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233800.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2101120319 is about 45837.9790021332. The cubic root of 2101120319 is about 1280.8068478641.

The spelling of 2101120319 in words is "two billion, one hundred one million, one hundred twenty thousand, three hundred nineteen".