211100122010 has 16 divisors (see below), whose sum is σ = 387149658696. Its totient is φ = 82846840128.

The previous prime is 211100122007. The next prime is 211100122039. The reversal of 211100122010 is 10221001112.

It can be written as a sum of positive squares in 4 ways, for example, as 211065817561 + 34304449 = 459419^2 + 5857^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211100121982 and 211100122000.

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, 199150529 + ... + 199151588.

Almost surely, 2^211100122010 is an apocalyptic number.

211100122010 is a deficient number, since it is larger than the sum of its proper divisors (176049536686).

211100122010 is a wasteful number, since it uses less digits than its factorization.

211100122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398302177.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211100122010 its reverse (10221001112), we get a palindrome (221321123122).

The spelling of 211100122010 in words is "two hundred eleven billion, one hundred million, one hundred twenty-two thousand, ten".