210122200220011 has 2 divisors, whose sum is σ = 210122200220012. Its totient is φ = 210122200220010.

The previous prime is 210122200219933. The next prime is 210122200220047. The reversal of 210122200220011 is 110022002221012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210122200220011 - 2³⁵ = 210087840481643 is a prime.

It is not a weakly prime, because it can be changed into another prime (210122200220081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061100110005 + 105061100110006.

It is an arithmetic number, because the mean of its divisors is an integer number (105061100110006).

Almost surely, 2^{210122200220011} is an apocalyptic number.

210122200220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122200220011 is an equidigital number, since it uses as much as digits as its factorization.

210122200220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210122200220011 its reverse (110022002221012), we get a palindrome (320144202441023).

The spelling of 210122200220011 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred million, two hundred twenty thousand, eleven".