210122202220011 has 6 divisors (see below), whose sum is σ = 303509847651140. Its totient is φ = 140081468146668.

The previous prime is 210122202219989. The next prime is 210122202220033. The reversal of 210122202220011 is 110022202221012.

It is a happy number.

210122202220011 is a `hidden beast` number, since 210 + 1 + 2 + 220 + 2 + 220 + 0 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (210122202219989) and next prime (210122202220033).

It is not a de Polignac number, because 210122202220011 - 2⁹ = 210122202219499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122202230011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11673455678881 + ... + 11673455678898.

Almost surely, 2^{210122202220011} is an apocalyptic number.

210122202220011 is a deficient number, since it is larger than the sum of its proper divisors (93387645431129).

210122202220011 is a wasteful number, since it uses less digits than its factorization.

210122202220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23346911357785 (or 23346911357782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210122202220011 its reverse (110022202221012), we get a palindrome (320144404441023).

The spelling of 210122202220011 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, eleven".