2111849011 has 2 divisors, whose sum is σ = 2111849012. Its totient is φ = 2111849010.

The previous prime is 2111848997. The next prime is 2111849041. The reversal of 2111849011 is 1109481112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111849011 - 2²¹ = 2109751859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111849041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055924505 + 1055924506.

It is an arithmetic number, because the mean of its divisors is an integer number (1055924506).

Almost surely, 2^2111849011 is an apocalyptic number.

2111849011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111849011 is an equidigital number, since it uses as much as digits as its factorization.

2111849011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 2111849011 is about 45954.8584047432. The cubic root of 2111849011 is about 1282.9831566232.

The spelling of 2111849011 in words is "two billion, one hundred eleven million, eight hundred forty-nine thousand, eleven".