211003204432442 has 8 divisors (see below), whose sum is σ = 321693410036532. Its totient is φ = 103772067753600.

The previous prime is 211003204432441. The next prime is 211003204432459. The reversal of 211003204432442 is 244234402300112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182435023936201 + 28568180496241 = 13506851^2 + 5344921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211003204432442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211003204432399 and 211003204432408.

It is not an unprimeable number, because it can be changed into a prime (211003204432441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864767231159 + ... + 864767231402.

Almost surely, 2^{211003204432442} is an apocalyptic number.

211003204432442 is a deficient number, since it is larger than the sum of its proper divisors (110690205604090).

211003204432442 is a wasteful number, since it uses less digits than its factorization.

211003204432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729534462624.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 211003204432442 its reverse (244234402300112), we get a palindrome (455237606732554).

The spelling of 211003204432442 in words is "two hundred eleven trillion, three billion, two hundred four million, four hundred thirty-two thousand, four hundred forty-two".