1099854101 has 2 divisors, whose sum is σ = 1099854102. Its totient is φ = 1099854100.

The previous prime is 1099854071. The next prime is 1099854103. The reversal of 1099854101 is 1014589901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625050001 + 474804100 = 25001^2 + 21790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099854101 - 2²² = 1095659797 is a prime.

Together with 1099854103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099854103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549927050 + 549927051.

It is an arithmetic number, because the mean of its divisors is an integer number (549927051).

Almost surely, 2^1099854101 is an apocalyptic number.

It is an amenable number.

1099854101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099854101 is an equidigital number, since it uses as much as digits as its factorization.

1099854101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 1099854101 is about 33164.0483204328. The cubic root of 1099854101 is about 1032.2344744577.

The spelling of 1099854101 in words is "one billion, ninety-nine million, eight hundred fifty-four thousand, one hundred one".