211043004122 has 8 divisors (see below), whose sum is σ = 322537421556. Its totient is φ = 103530530272.

The previous prime is 211043004079. The next prime is 211043004131. The reversal of 211043004122 is 221400340112.

It can be written as a sum of positive squares in 2 ways, for example, as 179919340561 + 31123663561 = 424169^2 + 176419^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211043004094 and 211043004103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995485763 + ... + 995485974.

Almost surely, 2^211043004122 is an apocalyptic number.

211043004122 is a deficient number, since it is larger than the sum of its proper divisors (111494417434).

211043004122 is a wasteful number, since it uses less digits than its factorization.

211043004122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990971792.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211043004122 its reverse (221400340112), we get a palindrome (432443344234).

The spelling of 211043004122 in words is "two hundred eleven billion, forty-three million, four thousand, one hundred twenty-two".