2119201018 has 12 divisors (see below), whose sum is σ = 3494054970. Its totient is φ = 963273080.

The previous prime is 2119200973. The next prime is 2119201057. The reversal of 2119201018 is 8101029112.

It can be written as a sum of positive squares in only one way, i.e., 1929229929 + 189971089 = 43923^2 + 13783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2119200983 and 2119201001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4378273 + ... + 4378756.

Almost surely, 2^2119201018 is an apocalyptic number.

2119201018 is a deficient number, since it is larger than the sum of its proper divisors (1374853952).

2119201018 is a wasteful number, since it uses less digits than its factorization.

2119201018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757053 (or 8757042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 2119201018 is about 46034.7805251638. The cubic root of 2119201018 is about 1284.4702541684.

The spelling of 2119201018 in words is "two billion, one hundred nineteen million, two hundred one thousand, eighteen".