211075123030 has 16 divisors (see below), whose sum is σ = 379972832544. Its totient is φ = 84421691200.

The previous prime is 211075123027. The next prime is 211075123043. The reversal of 211075123030 is 30321570112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211075122986 and 211075123004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938167 + ... + 1141186.

It is an arithmetic number, because the mean of its divisors is an integer number (23748302034).

Almost surely, 2^211075123030 is an apocalyptic number.

211075123030 is a deficient number, since it is larger than the sum of its proper divisors (168897709514).

211075123030 is a wasteful number, since it uses less digits than its factorization.

211075123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089511.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 211075123030 its reverse (30321570112), we get a palindrome (241396693142).

The spelling of 211075123030 in words is "two hundred eleven billion, seventy-five million, one hundred twenty-three thousand, thirty".