2181119042133 has 24 divisors (see below), whose sum is σ = 3173661143640. Its totient is φ = 1443418275840.

The previous prime is 2181119042099. The next prime is 2181119042173. The reversal of 2181119042133 is 3312409111812.

It is a happy number.

2181119042133 is a `hidden beast` number, since 2 + 1 + 8 + 11 + 190 + 421 + 33 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1475488801809 + 705630240324 = 1214697^2 + 840018^2 .

It is not a de Polignac number, because 2181119042133 - 2¹⁰ = 2181119041109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2181119042173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94668 + ... + 2090741.

It is an arithmetic number, because the mean of its divisors is an integer number (132235880985).

Almost surely, 2^{2181119042133} is an apocalyptic number.

It is an amenable number.

2181119042133 is a deficient number, since it is larger than the sum of its proper divisors (992542101507).

2181119042133 is a wasteful number, since it uses less digits than its factorization.

2181119042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186229 (or 2186226 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 2181119042133 in words is "two trillion, one hundred eighty-one billion, one hundred nineteen million, forty-two thousand, one hundred thirty-three".