211403033442 has 12 divisors (see below), whose sum is σ = 458039905830. Its totient is φ = 70467677808.

The previous prime is 211403033437. The next prime is 211403033447. The reversal of 211403033442 is 244330304112.

211403033442 is a `hidden beast` number, since 2 + 1 + 14 + 0 + 303 + 344 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (211403033437) and next prime (211403033447).

It can be written as a sum of positive squares in only one way, i.e., 194409564561 + 16993468881 = 440919^2 + 130359^2 .

It is not an unprimeable number, because it can be changed into a prime (211403033447) by changing a digit.

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, 5872306467 + ... + 5872306502.

Almost surely, 2^211403033442 is an apocalyptic number.

211403033442 is an abundant number, since it is smaller than the sum of its proper divisors (246636872388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211403033442 is a wasteful number, since it uses less digits than its factorization.

211403033442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744612977 (or 11744612974 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 211403033442 its reverse (244330304112), we get a palindrome (455733337554).

The spelling of 211403033442 in words is "two hundred eleven billion, four hundred three million, thirty-three thousand, four hundred forty-two".